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[WebAssembly] Add tests for negative offsets with global variable addresses.

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llvm-svn: 258693
This commit is contained in:
Dan Gohman 2016-01-25 15:19:39 +00:00
parent 6aa3a18666
commit d1cae1c975
1 changed files with 18 additions and 0 deletions
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18
test/CodeGen/WebAssembly/offset-folding.ll
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@ -43,3 +43,21 @@ define i32* @test2() {
define i32* @test3() {
ret i32* getelementptr ([50 x i32], [50 x i32]* @y, i32 0, i32 0)
}
; Test negative offsets.
; CHECK-LABEL: test4:
; CHECK-NEXT: .result i32{{$}}
; CHECK-NEXT: i32.const $push0=, x-188{{$}}
; CHECK=NEXT: return $pop0{{$}}
define i32* @test4() {
ret i32* getelementptr ([0 x i32], [0 x i32]* @x, i32 0, i32 -47)
}
; CHECK-LABEL: test5:
; CHECK-NEXT: .result i32{{$}}
; CHECK-NEXT: i32.const $push0=, y-188{{$}}
; CHECK=NEXT: return $pop0{{$}}
define i32* @test5() {
ret i32* getelementptr ([50 x i32], [50 x i32]* @y, i32 0, i32 -47)
}