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1a513a6964
This saves a small amount of code size, and is a first small step toward passing values on the stack across block boundaries. Differential Review: http://reviews.llvm.org/D20450 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270294 91177308-0d34-0410-b5e6-96231b3b80d8
35 lines
866 B
LLVM
35 lines
866 B
LLVM
; RUN: llc < %s -asm-verbose=false | FileCheck %s
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; RUN: llc < %s -asm-verbose=false -fast-isel -fast-isel-abort=1 | FileCheck %s
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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"
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; CHECK-LABEL: return_i32:
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; CHECK-NEXT: .param i32{{$}}
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; CHECK-NEXT: .result i32{{$}}
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; CHECK-NEXT: copy_local $push0=, $0
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; CHECK-NEXT: .endfunc{{$}}
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define i32 @return_i32(i32 %p) {
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ret i32 %p
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}
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; CHECK-LABEL: return_i32_twice:
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; CHECK: store
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; CHECK-NEXT: i32.const $push[[L0:[^,]+]]=, 1{{$}}
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; CHECK-NEXT: return $pop[[L0]]{{$}}
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; CHECK: store
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; CHECK-NEXT: i32.const $push{{[^,]+}}=, 3{{$}}
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; CHECK-NEXT: .endfunc{{$}}
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define i32 @return_i32_twice(i32 %a) {
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%b = icmp ne i32 %a, 0
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br i1 %b, label %true, label %false
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true:
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store i32 0, i32* null
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ret i32 1
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false:
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store i32 2, i32* null
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ret i32 3
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}
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