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llvm-mirror/test/CodeGen/WebAssembly/offset-folding.ll
Thomas Lively 81bb5f99ad [WebAssembly] Remove datalayout strings from llc tests
The data layout strings do not have any effect on llc tests and will become
misleadingly out of date as we continue to update the canonical data layout, so
remove them from the tests.

Differential Revision: https://reviews.llvm.org/D105842
2021-07-14 11:17:08 -07:00

63 lines
1.8 KiB
LLVM

; RUN: llc < %s -asm-verbose=false -wasm-keep-registers | FileCheck %s
; Test that constant offsets can be folded into global addresses.
target triple = "wasm32-unknown-unknown"
@x = external dso_local global [0 x i32]
@y = dso_local global [50 x i32] zeroinitializer
; Test basic constant offsets of both defined and external symbols.
; CHECK-LABEL: test0:
; CHECK-NEXT: .functype test0 () -> (i32){{$}}
; CHECK-NEXT: i32.const $push0=, x+188{{$}}
; CHECK=NEXT: return $pop0{{$}}
define dso_local i32* @test0() {
ret i32* getelementptr ([0 x i32], [0 x i32]* @x, i32 0, i32 47)
}
; CHECK-LABEL: test1:
; CHECK-NEXT: .functype test1 () -> (i32){{$}}
; CHECK-NEXT: i32.const $push0=, y+188{{$}}
; CHECK=NEXT: return $pop0{{$}}
define dso_local i32* @test1() {
ret i32* getelementptr ([50 x i32], [50 x i32]* @y, i32 0, i32 47)
}
; Test zero offsets.
; CHECK-LABEL: test2:
; CHECK-NEXT: .functype test2 () -> (i32){{$}}
; CHECK-NEXT: i32.const $push0=, x{{$}}
; CHECK=NEXT: return $pop0{{$}}
define dso_local i32* @test2() {
ret i32* getelementptr ([0 x i32], [0 x i32]* @x, i32 0, i32 0)
}
; CHECK-LABEL: test3:
; CHECK-NEXT: .functype test3 () -> (i32){{$}}
; CHECK-NEXT: i32.const $push0=, y{{$}}
; CHECK=NEXT: return $pop0{{$}}
define dso_local i32* @test3() {
ret i32* getelementptr ([50 x i32], [50 x i32]* @y, i32 0, i32 0)
}
; Test negative offsets.
; CHECK-LABEL: test4:
; CHECK-NEXT: .functype test4 () -> (i32){{$}}
; CHECK-NEXT: i32.const $push0=, x-188{{$}}
; CHECK=NEXT: return $pop0{{$}}
define dso_local i32* @test4() {
ret i32* getelementptr ([0 x i32], [0 x i32]* @x, i32 0, i32 -47)
}
; CHECK-LABEL: test5:
; CHECK-NEXT: .functype test5 () -> (i32){{$}}
; CHECK-NEXT: i32.const $push0=, y-188{{$}}
; CHECK=NEXT: return $pop0{{$}}
define dso_local i32* @test5() {
ret i32* getelementptr ([50 x i32], [50 x i32]* @y, i32 0, i32 -47)
}