52 lines
1.9 KiB
LLVM
52 lines
1.9 KiB
LLVM
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; RUN: llc -verify-machineinstrs -mtriple=wasm32-unknown-unknown < %s | FileCheck -check-prefix=WASM32 %s
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@"\01LC" = internal constant [11 x i8] c"buf == %s\0A\00" ; <[11 x i8]*> [#uses=1]
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; WASM32-LABEL: test
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; WASM32: i32.load 28
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; WASM32: br_if 0
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; WASM32: call __stack_chk_fail
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; WASM32-NEXT: unreachable
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define void @test(i8* %a) nounwind ssp {
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entry:
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%a_addr = alloca i8* ; <i8**> [#uses=2]
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%buf = alloca [8 x i8] ; <[8 x i8]*> [#uses=2]
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%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
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store i8* %a, i8** %a_addr
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%buf1 = bitcast [8 x i8]* %buf to i8* ; <i8*> [#uses=1]
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%0 = load i8*, i8** %a_addr, align 4 ; <i8*> [#uses=1]
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%1 = call i8* @strcpy(i8* %buf1, i8* %0) nounwind ; <i8*> [#uses=0]
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%buf2 = bitcast [8 x i8]* %buf to i8* ; <i8*> [#uses=1]
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%2 = call i32 (i8*, ...) @printf(i8* getelementptr ([11 x i8], [11 x i8]* @"\01LC", i32 0, i32 0), i8* %buf2) nounwind ; <i32> [#uses=0]
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br label %return
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return: ; preds = %entry
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ret void
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}
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; WASM32-LABEL: test_return_i32
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; WASM32: call __stack_chk_fail
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; WASM32-NEXT: unreachable
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define i32 @test_return_i32(i8* %a) nounwind ssp {
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entry:
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%a_addr = alloca i8* ; <i8**> [#uses=2]
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%buf = alloca [8 x i8] ; <[8 x i8]*> [#uses=2]
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%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
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store i8* %a, i8** %a_addr
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%buf1 = bitcast [8 x i8]* %buf to i8* ; <i8*> [#uses=1]
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%0 = load i8*, i8** %a_addr, align 4 ; <i8*> [#uses=1]
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%1 = call i8* @strcpy(i8* %buf1, i8* %0) nounwind ; <i8*> [#uses=0]
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%buf2 = bitcast [8 x i8]* %buf to i8* ; <i8*> [#uses=1]
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%2 = call i32 (i8*, ...) @printf(i8* getelementptr ([11 x i8], [11 x i8]* @"\01LC", i32 0, i32 0), i8* %buf2) nounwind ; <i32> [#uses=0]
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br label %return
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return: ; preds = %entry
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ret i32 0
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}
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declare i8* @strcpy(i8*, i8*) nounwind
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declare i32 @printf(i8*, ...) nounwind
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