64 lines
1.7 KiB
LLVM
64 lines
1.7 KiB
LLVM
; RUN: llc < %s -asm-verbose=false | FileCheck %s
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; Test that constant offsets can be folded into global addresses.
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target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
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target triple = "wasm32-unknown-unknown-wasm"
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@x = external global [0 x i32]
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@y = global [50 x i32] zeroinitializer
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; Test basic constant offsets of both defined and external symbols.
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; CHECK-LABEL: test0:
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; CHECK-NEXT: .result i32{{$}}
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; CHECK-NEXT: i32.const $push0=, x+188{{$}}
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; CHECK=NEXT: return $pop0{{$}}
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define i32* @test0() {
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ret i32* getelementptr ([0 x i32], [0 x i32]* @x, i32 0, i32 47)
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}
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; CHECK-LABEL: test1:
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; CHECK-NEXT: .result i32{{$}}
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; CHECK-NEXT: i32.const $push0=, y+188{{$}}
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; CHECK=NEXT: return $pop0{{$}}
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define i32* @test1() {
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ret i32* getelementptr ([50 x i32], [50 x i32]* @y, i32 0, i32 47)
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}
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; Test zero offsets.
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; CHECK-LABEL: test2:
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; CHECK-NEXT: .result i32{{$}}
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; CHECK-NEXT: i32.const $push0=, x{{$}}
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; CHECK=NEXT: return $pop0{{$}}
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define i32* @test2() {
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ret i32* getelementptr ([0 x i32], [0 x i32]* @x, i32 0, i32 0)
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}
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; CHECK-LABEL: test3:
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; CHECK-NEXT: .result i32{{$}}
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; CHECK-NEXT: i32.const $push0=, y{{$}}
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; CHECK=NEXT: return $pop0{{$}}
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define i32* @test3() {
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ret i32* getelementptr ([50 x i32], [50 x i32]* @y, i32 0, i32 0)
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}
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; Test negative offsets.
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; CHECK-LABEL: test4:
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; CHECK-NEXT: .result i32{{$}}
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; CHECK-NEXT: i32.const $push0=, x-188{{$}}
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; CHECK=NEXT: return $pop0{{$}}
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define i32* @test4() {
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ret i32* getelementptr ([0 x i32], [0 x i32]* @x, i32 0, i32 -47)
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}
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; CHECK-LABEL: test5:
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; CHECK-NEXT: .result i32{{$}}
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; CHECK-NEXT: i32.const $push0=, y-188{{$}}
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; CHECK=NEXT: return $pop0{{$}}
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define i32* @test5() {
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ret i32* getelementptr ([50 x i32], [50 x i32]* @y, i32 0, i32 -47)
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}
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