132 lines
4.4 KiB
LLVM
132 lines
4.4 KiB
LLVM
; RUN: opt < %s -instcombine -S | FileCheck %s
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target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f128:128:128-v128:128:128-n32:64"
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target triple = "powerpc64-unknown-linux-gnu"
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; These tests are extracted from bitcast.ll.
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; Verify that they also work correctly on big-endian targets.
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define float @test2(<2 x float> %A, <2 x i32> %B) {
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%tmp28 = bitcast <2 x float> %A to i64 ; <i64> [#uses=2]
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%tmp23 = trunc i64 %tmp28 to i32 ; <i32> [#uses=1]
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%tmp24 = bitcast i32 %tmp23 to float ; <float> [#uses=1]
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%tmp = bitcast <2 x i32> %B to i64
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%tmp2 = trunc i64 %tmp to i32 ; <i32> [#uses=1]
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%tmp4 = bitcast i32 %tmp2 to float ; <float> [#uses=1]
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%add = fadd float %tmp24, %tmp4
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ret float %add
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; CHECK-LABEL: @test2(
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; CHECK-NEXT: %tmp24 = extractelement <2 x float> %A, i32 1
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; CHECK-NEXT: bitcast <2 x i32> %B to <2 x float>
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; CHECK-NEXT: %tmp4 = extractelement <2 x float> {{.*}}, i32 1
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; CHECK-NEXT: %add = fadd float %tmp24, %tmp4
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; CHECK-NEXT: ret float %add
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}
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define float @test3(<2 x float> %A, <2 x i64> %B) {
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%tmp28 = bitcast <2 x float> %A to i64
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%tmp29 = lshr i64 %tmp28, 32
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%tmp23 = trunc i64 %tmp29 to i32
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%tmp24 = bitcast i32 %tmp23 to float
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%tmp = bitcast <2 x i64> %B to i128
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%tmp1 = lshr i128 %tmp, 64
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%tmp2 = trunc i128 %tmp1 to i32
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%tmp4 = bitcast i32 %tmp2 to float
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%add = fadd float %tmp24, %tmp4
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ret float %add
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; CHECK-LABEL: @test3(
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; CHECK-NEXT: %tmp24 = extractelement <2 x float> %A, i32 0
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; CHECK-NEXT: bitcast <2 x i64> %B to <4 x float>
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; CHECK-NEXT: %tmp4 = extractelement <4 x float> {{.*}}, i32 1
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; CHECK-NEXT: %add = fadd float %tmp24, %tmp4
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; CHECK-NEXT: ret float %add
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}
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define <2 x i32> @test4(i32 %A, i32 %B){
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%tmp38 = zext i32 %A to i64
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%tmp32 = zext i32 %B to i64
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%tmp33 = shl i64 %tmp32, 32
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%ins35 = or i64 %tmp33, %tmp38
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%tmp43 = bitcast i64 %ins35 to <2 x i32>
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ret <2 x i32> %tmp43
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; CHECK-LABEL: @test4(
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; CHECK-NEXT: insertelement <2 x i32> undef, i32 %B, i32 0
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; CHECK-NEXT: insertelement <2 x i32> {{.*}}, i32 %A, i32 1
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; CHECK-NEXT: ret <2 x i32>
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}
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define <2 x float> @test5(float %A, float %B) {
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%tmp37 = bitcast float %A to i32
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%tmp38 = zext i32 %tmp37 to i64
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%tmp31 = bitcast float %B to i32
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%tmp32 = zext i32 %tmp31 to i64
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%tmp33 = shl i64 %tmp32, 32
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%ins35 = or i64 %tmp33, %tmp38
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%tmp43 = bitcast i64 %ins35 to <2 x float>
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ret <2 x float> %tmp43
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; CHECK-LABEL: @test5(
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; CHECK-NEXT: insertelement <2 x float> undef, float %B, i32 0
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; CHECK-NEXT: insertelement <2 x float> {{.*}}, float %A, i32 1
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; CHECK-NEXT: ret <2 x float>
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}
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define <2 x float> @test6(float %A){
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%tmp23 = bitcast float %A to i32 ; <i32> [#uses=1]
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%tmp24 = zext i32 %tmp23 to i64 ; <i64> [#uses=1]
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%tmp25 = shl i64 %tmp24, 32 ; <i64> [#uses=1]
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%mask20 = or i64 %tmp25, 1109917696 ; <i64> [#uses=1]
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%tmp35 = bitcast i64 %mask20 to <2 x float> ; <<2 x float>> [#uses=1]
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ret <2 x float> %tmp35
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; CHECK-LABEL: @test6(
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; CHECK-NEXT: insertelement <2 x float> undef, float %A, i32 0
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; CHECK-NEXT: insertelement <2 x float> {{.*}}, float 4.200000e+01, i32 1
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; CHECK: ret
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}
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; Verify that 'xor' of vector and constant is done as a vector bitwise op before the bitcast.
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define <2 x i32> @xor_bitcast_vec_to_vec(<1 x i64> %a) {
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%t1 = bitcast <1 x i64> %a to <2 x i32>
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%t2 = xor <2 x i32> <i32 1, i32 2>, %t1
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ret <2 x i32> %t2
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; CHECK-LABEL: @xor_bitcast_vec_to_vec(
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; CHECK-NEXT: %t21 = xor <1 x i64> %a, <i64 4294967298>
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; CHECK-NEXT: %t2 = bitcast <1 x i64> %t21 to <2 x i32>
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; CHECK-NEXT: ret <2 x i32> %t2
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}
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; Verify that 'and' of integer and constant is done as a vector bitwise op before the bitcast.
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define i64 @and_bitcast_vec_to_int(<2 x i32> %a) {
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%t1 = bitcast <2 x i32> %a to i64
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%t2 = and i64 %t1, 3
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ret i64 %t2
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; CHECK-LABEL: @and_bitcast_vec_to_int(
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; CHECK-NEXT: %t21 = and <2 x i32> %a, <i32 0, i32 3>
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; CHECK-NEXT: %t2 = bitcast <2 x i32> %t21 to i64
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; CHECK-NEXT: ret i64 %t2
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}
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; Verify that 'or' of vector and constant is done as an integer bitwise op before the bitcast.
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define <2 x i32> @or_bitcast_int_to_vec(i64 %a) {
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%t1 = bitcast i64 %a to <2 x i32>
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%t2 = or <2 x i32> %t1, <i32 1, i32 2>
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ret <2 x i32> %t2
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; CHECK-LABEL: @or_bitcast_int_to_vec(
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; CHECK-NEXT: %t21 = or i64 %a, 4294967298
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; CHECK-NEXT: %t2 = bitcast i64 %t21 to <2 x i32>
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; CHECK-NEXT: ret <2 x i32> %t2
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}
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