405 lines
11 KiB
LLVM
405 lines
11 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -data-layout="e-p:64:64:64-p1:16:16:16-p2:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-ni:2" -passes=instsimplify -S | FileCheck %s --check-prefixes=CHECK,LE
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; RUN: opt < %s -data-layout="E-p:64:64:64-p1:16:16:16-p2:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-ni:2" -passes=instsimplify -S | FileCheck %s --check-prefixes=CHECK,BE
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; {{ 0xDEADBEEF, 0xBA }, 0xCAFEBABE}
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@g1 = constant {{i32,i8},i32} {{i32,i8} { i32 -559038737, i8 186 }, i32 -889275714 }
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@g2 = constant double 1.0
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; { 0x7B, 0x06B1BFF8 }
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@g3 = constant {i64, i64} { i64 123, i64 112312312 }
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; Simple load
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define i32 @test1() {
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; CHECK-LABEL: @test1(
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; CHECK-NEXT: ret i32 -559038737
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;
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%r = load i32, i32* getelementptr ({{i32,i8},i32}, {{i32,i8},i32}* @g1, i32 0, i32 0, i32 0)
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ret i32 %r
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}
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; PR3152
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; Load of first 16 bits of 32-bit value.
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define i16 @test2() {
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; LE-LABEL: @test2(
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; LE-NEXT: ret i16 -16657
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;
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; BE-LABEL: @test2(
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; BE-NEXT: ret i16 -8531
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;
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%r = load i16, i16* bitcast(i32* getelementptr ({{i32,i8},i32}, {{i32,i8},i32}* @g1, i32 0, i32 0, i32 0) to i16*)
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ret i16 %r
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}
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define i16 @test2_addrspacecast() {
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; LE-LABEL: @test2_addrspacecast(
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; LE-NEXT: ret i16 -16657
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;
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; BE-LABEL: @test2_addrspacecast(
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; BE-NEXT: ret i16 -8531
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;
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%r = load i16, i16 addrspace(1)* addrspacecast(i32* getelementptr ({{i32,i8},i32}, {{i32,i8},i32}* @g1, i32 0, i32 0, i32 0) to i16 addrspace(1)*)
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ret i16 %r
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}
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; Load of second 16 bits of 32-bit value.
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define i16 @test3() {
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; LE-LABEL: @test3(
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; LE-NEXT: ret i16 -8531
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;
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; BE-LABEL: @test3(
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; BE-NEXT: ret i16 -16657
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;
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%r = load i16, i16* getelementptr(i16, i16* bitcast(i32* getelementptr ({{i32,i8},i32}, {{i32,i8},i32}* @g1, i32 0, i32 0, i32 0) to i16*), i32 1)
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ret i16 %r
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}
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; Load of 8 bit field + tail padding.
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define i16 @test4() {
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; LE-LABEL: @test4(
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; LE-NEXT: ret i16 186
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;
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; BE-LABEL: @test4(
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; BE-NEXT: ret i16 -17920
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;
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%r = load i16, i16* getelementptr(i16, i16* bitcast(i32* getelementptr ({{i32,i8},i32}, {{i32,i8},i32}* @g1, i32 0, i32 0, i32 0) to i16*), i32 2)
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ret i16 %r
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}
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; Load of double bits.
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define i64 @test6() {
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; CHECK-LABEL: @test6(
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; CHECK-NEXT: ret i64 4607182418800017408
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;
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%r = load i64, i64* bitcast(double* @g2 to i64*)
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ret i64 %r
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}
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; Load of double bits.
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define i16 @test7() {
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; LE-LABEL: @test7(
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; LE-NEXT: ret i16 0
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;
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; BE-LABEL: @test7(
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; BE-NEXT: ret i16 16368
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;
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%r = load i16, i16* bitcast(double* @g2 to i16*)
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ret i16 %r
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}
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; Double load.
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define double @test8() {
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; LE-LABEL: @test8(
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; LE-NEXT: ret double 0xBADEADBEEF
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;
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; BE-LABEL: @test8(
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; BE-NEXT: ret double 0xDEADBEEFBA000000
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;
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%r = load double, double* bitcast({{i32,i8},i32}* @g1 to double*)
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ret double %r
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}
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; i128 load.
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define i128 @test_i128() {
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; LE-LABEL: @test_i128(
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; LE-NEXT: ret i128 2071796475790618158476296315
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;
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; BE-LABEL: @test_i128(
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; BE-NEXT: ret i128 2268949521066387161080
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;
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%r = load i128, i128* bitcast({i64, i64}* @g3 to i128*)
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ret i128 %r
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}
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define fp128 @test_fp128() {
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; LE-LABEL: @test_fp128(
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; LE-NEXT: ret fp128 0xL000000000000007B0000000006B1BFF8
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;
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; BE-LABEL: @test_fp128(
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; BE-NEXT: ret fp128 0xL0000000006B1BFF8000000000000007B
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;
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%r = load fp128, fp128* bitcast({i64, i64}* @g3 to fp128*)
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ret fp128 %r
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}
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define ppc_fp128 @test_ppc_fp128() {
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; LE-LABEL: @test_ppc_fp128(
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; LE-NEXT: ret ppc_fp128 bitcast (i128 2071796475790618158476296315 to ppc_fp128)
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;
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; BE-LABEL: @test_ppc_fp128(
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; BE-NEXT: ret ppc_fp128 bitcast (i128 2268949521066387161080 to ppc_fp128)
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;
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%r = load ppc_fp128, ppc_fp128* bitcast({i64, i64}* @g3 to ppc_fp128*)
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ret ppc_fp128 %r
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}
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define x86_fp80 @test_x86_fp80() {
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; LE-LABEL: @test_x86_fp80(
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; LE-NEXT: ret x86_fp80 0xKFFFF000000000000007B
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;
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; BE-LABEL: @test_x86_fp80(
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; BE-NEXT: ret x86_fp80 0xK000000000000007B0000
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;
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%r = load x86_fp80, x86_fp80* bitcast({i64, i64}* @g3 to x86_fp80*)
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ret x86_fp80 %r
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}
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define bfloat @test_bfloat() {
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; LE-LABEL: @test_bfloat(
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; LE-NEXT: ret bfloat 0xR007B
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;
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; BE-LABEL: @test_bfloat(
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; BE-NEXT: ret bfloat 0xR0000
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;
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%r = load bfloat, bfloat* bitcast({i64, i64}* @g3 to bfloat*)
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ret bfloat %r
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}
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; vector load.
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define <2 x i64> @test10() {
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; CHECK-LABEL: @test10(
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; CHECK-NEXT: ret <2 x i64> <i64 123, i64 112312312>
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;
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%r = load <2 x i64>, <2 x i64>* bitcast({i64, i64}* @g3 to <2 x i64>*)
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ret <2 x i64> %r
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}
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; PR5287
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; { 0xA1, 0x08 }
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@g4 = internal constant { i8, i8 } { i8 -95, i8 8 }
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define i16 @test11() nounwind {
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; LE-LABEL: @test11(
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; LE-NEXT: entry:
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; LE-NEXT: ret i16 2209
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;
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; BE-LABEL: @test11(
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; BE-NEXT: entry:
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; BE-NEXT: ret i16 -24312
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;
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entry:
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%a = load i16, i16* bitcast ({ i8, i8 }* @g4 to i16*)
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ret i16 %a
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}
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; PR5551
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@test12g = private constant [6 x i8] c"a\00b\00\00\00"
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define i16 @test12() {
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; LE-LABEL: @test12(
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; LE-NEXT: ret i16 98
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;
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; BE-LABEL: @test12(
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; BE-NEXT: ret i16 25088
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;
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%a = load i16, i16* getelementptr inbounds ([3 x i16], [3 x i16]* bitcast ([6 x i8]* @test12g to [3 x i16]*), i32 0, i64 1)
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ret i16 %a
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}
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; PR5978
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@g5 = constant i8 4
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define i1 @test13() {
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; CHECK-LABEL: @test13(
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; CHECK-NEXT: ret i1 false
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;
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%A = load i1, i1* bitcast (i8* @g5 to i1*)
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ret i1 %A
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}
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@g6 = constant [2 x i8*] [i8* inttoptr (i64 1 to i8*), i8* inttoptr (i64 2 to i8*)]
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define i64 @test14() nounwind {
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; CHECK-LABEL: @test14(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: ret i64 1
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;
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entry:
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%tmp = load i64, i64* bitcast ([2 x i8*]* @g6 to i64*)
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ret i64 %tmp
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}
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; Check with address space pointers
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@g6_as1 = constant [2 x i8 addrspace(1)*] [i8 addrspace(1)* inttoptr (i16 1 to i8 addrspace(1)*), i8 addrspace(1)* inttoptr (i16 2 to i8 addrspace(1)*)]
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define i16 @test14_as1() nounwind {
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; CHECK-LABEL: @test14_as1(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: ret i16 1
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;
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entry:
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%tmp = load i16, i16* bitcast ([2 x i8 addrspace(1)*]* @g6_as1 to i16*)
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ret i16 %tmp
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}
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define i64 @test15() nounwind {
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; CHECK-LABEL: @test15(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: ret i64 2
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;
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entry:
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%tmp = load i64, i64* bitcast (i8** getelementptr inbounds ([2 x i8*], [2 x i8*]* @g6, i32 0, i64 1) to i64*)
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ret i64 %tmp
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}
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@gv7 = constant [4 x i8*] [i8* null, i8* inttoptr (i64 -14 to i8*), i8* null, i8* null]
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define i64 @test16.1() {
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; CHECK-LABEL: @test16.1(
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; CHECK-NEXT: ret i64 0
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;
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%v = load i64, i64* bitcast ([4 x i8*]* @gv7 to i64*), align 8
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ret i64 %v
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}
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define i64 @test16.2() {
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; CHECK-LABEL: @test16.2(
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; CHECK-NEXT: ret i64 -14
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;
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%v = load i64, i64* bitcast (i8** getelementptr inbounds ([4 x i8*], [4 x i8*]* @gv7, i64 0, i64 1) to i64*), align 8
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ret i64 %v
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}
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define i64 @test16.3() {
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; CHECK-LABEL: @test16.3(
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; CHECK-NEXT: ret i64 0
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;
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%v = load i64, i64* bitcast (i8** getelementptr inbounds ([4 x i8*], [4 x i8*]* @gv7, i64 0, i64 2) to i64*), align 8
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ret i64 %v
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}
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@g7 = constant {[0 x i32], [0 x i8], {}*} { [0 x i32] undef, [0 x i8] undef, {}* null }
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define i64* @test_leading_zero_size_elems() {
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; CHECK-LABEL: @test_leading_zero_size_elems(
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; CHECK-NEXT: ret i64* null
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;
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%v = load i64*, i64** bitcast ({[0 x i32], [0 x i8], {}*}* @g7 to i64**)
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ret i64* %v
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}
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@g8 = constant {[4294967295 x [0 x i32]], i64} { [4294967295 x [0 x i32]] undef, i64 123 }
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define i64 @test_leading_zero_size_elems_big() {
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; CHECK-LABEL: @test_leading_zero_size_elems_big(
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; CHECK-NEXT: ret i64 123
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;
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%v = load i64, i64* bitcast ({[4294967295 x [0 x i32]], i64}* @g8 to i64*)
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ret i64 %v
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}
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@g9 = constant [4294967295 x [0 x i32]] zeroinitializer
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define i64 @test_array_of_zero_size_array() {
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; CHECK-LABEL: @test_array_of_zero_size_array(
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; CHECK-NEXT: ret i64 undef
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;
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%v = load i64, i64* bitcast ([4294967295 x [0 x i32]]* @g9 to i64*)
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ret i64 %v
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}
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@g_undef = constant { i128 } undef
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define i32* @test_undef_aggregate() {
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; CHECK-LABEL: @test_undef_aggregate(
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; CHECK-NEXT: ret i32* undef
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;
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%v = load i32*, i32** bitcast ({i128}* @g_undef to i32**)
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ret i32* %v
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}
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@g_poison = constant { i128 } poison
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define i32* @test_poison_aggregate() {
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; CHECK-LABEL: @test_poison_aggregate(
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; CHECK-NEXT: ret i32* poison
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;
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%v = load i32*, i32** bitcast ({i128}* @g_poison to i32**)
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ret i32* %v
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}
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@g11 = constant <{ [8 x i8], [8 x i8] }> <{ [8 x i8] undef, [8 x i8] zeroinitializer }>, align 4
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define {}* @test_trailing_zero_gep_index() {
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; CHECK-LABEL: @test_trailing_zero_gep_index(
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; CHECK-NEXT: ret {}* null
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;
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%v = load {}*, {}** bitcast (i8* getelementptr inbounds (<{ [8 x i8], [8 x i8] }>, <{ [8 x i8], [8 x i8] }>* @g11, i32 0, i32 1, i32 0) to {}**), align 4
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ret {}* %v
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}
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define { i64, i64 } @test_load_struct() {
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; CHECK-LABEL: @test_load_struct(
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; CHECK-NEXT: ret { i64, i64 } { i64 123, i64 112312312 }
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;
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%v = load { i64, i64 }, { i64, i64 }* @g3
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ret { i64, i64 } %v
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}
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@m64 = internal constant [2 x i64] zeroinitializer
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@idx = external global i32
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; This should not try to create an x86_mmx null value.
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define x86_mmx @load_mmx() {
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; CHECK-LABEL: @load_mmx(
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; CHECK-NEXT: [[TEMP:%.*]] = load x86_mmx, x86_mmx* bitcast (i64* getelementptr ([2 x i64], [2 x i64]* @m64, i64 0, i64 ptrtoint (i32* @idx to i64)) to x86_mmx*), align 8
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; CHECK-NEXT: ret x86_mmx [[TEMP]]
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;
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%temp = load x86_mmx, x86_mmx* bitcast (i64* getelementptr ([2 x i64], [2 x i64]* @m64, i64 0, i64 ptrtoint (i32* @idx to i64)) to x86_mmx*)
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ret x86_mmx %temp
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}
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@g_offset = external global i64
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@g_neg_one_vec = constant <4 x i8> <i8 -1, i8 -1, i8 -1, i8 -1>
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define i8 @load_neg_one_at_unknown_offset() {
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; CHECK-LABEL: @load_neg_one_at_unknown_offset(
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; CHECK-NEXT: ret i8 -1
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;
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%v = load i8, i8* getelementptr (<4 x i8>, <4 x i8>* @g_neg_one_vec, i64 0, i64 ptrtoint (i64* @g_offset to i64))
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ret i8 %v
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}
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@g_with_padding = constant { i32, [4 x i8] } { i32 0, [4 x i8] undef }
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define i32 @load_padding() {
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; CHECK-LABEL: @load_padding(
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; CHECK-NEXT: ret i32 undef
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;
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%v = load i32, i32* getelementptr (i32, i32* bitcast ({ i32, [4 x i8] }* @g_with_padding to i32*), i64 1)
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ret i32 %v
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}
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@g_all_undef = constant { i32, [4 x i8] } undef
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; Same as the previous case, but with an all-undef initializer.
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define i32 @load_all_undef() {
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; CHECK-LABEL: @load_all_undef(
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; CHECK-NEXT: ret i32 undef
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;
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%v = load i32, i32* getelementptr (i32, i32* bitcast ({ i32, [4 x i8] }* @g_all_undef to i32*), i64 1)
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ret i32 %v
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}
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@g_i8_data = constant [16 x i8] c"\01\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00"
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define i64* @load_ptr_from_i8_data() {
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; LE-LABEL: @load_ptr_from_i8_data(
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; LE-NEXT: ret i64* inttoptr (i64 1 to i64*)
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;
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; BE-LABEL: @load_ptr_from_i8_data(
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; BE-NEXT: ret i64* inttoptr (i64 72057594037927936 to i64*)
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;
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%v = load i64*, i64** bitcast ([16 x i8]* @g_i8_data to i64**)
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ret i64* %v
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}
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define i64 addrspace(2)* @load_non_integral_ptr_from_i8_data() {
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; CHECK-LABEL: @load_non_integral_ptr_from_i8_data(
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; CHECK-NEXT: [[V:%.*]] = load i64 addrspace(2)*, i64 addrspace(2)** bitcast ([16 x i8]* @g_i8_data to i64 addrspace(2)**), align 8
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; CHECK-NEXT: ret i64 addrspace(2)* [[V]]
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;
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%v = load i64 addrspace(2)*, i64 addrspace(2)** bitcast ([16 x i8]* @g_i8_data to i64 addrspace(2)**)
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ret i64 addrspace(2)* %v
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}
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