[cfe-dev] clang test failure: CodeGen/atomic.c

[Argiris Kirtzidis]

It's related to this commit:
http://lists.cs.uiuc.edu/pipermail/cfe-commits/Week-of-Mon-20080623/006232.html

Ted Kremenek wrote:
> I'm at ToT for llvm and clang, and I am seeing the following test 
> failure on Mac OS X in the CodeGen module:
>
> *(kremenek at grue:CodeGen)$ ../TestRunner.sh atomic.c *
> ******************** TEST 'atomic.c' FAILED! ********************
> Command: 
>  clang atomic.c -emit-llvm -o - > Output/atomic.c.out.tmp1 &&
>  grep @llvm.atomic.las.i32 Output/atomic.c.out.tmp1 &&
>  grep @llvm.atomic.lss.i32 Output/atomic.c.out.tmp1 &&
>  grep @llvm.atomic.load.min.i32 Output/atomic.c.out.tmp1 &&
>  grep @llvm.atomic.load.max.i32 Output/atomic.c.out.tmp1 &&
>  grep @llvm.atomic.load.umin.i32 Output/atomic.c.out.tmp1 &&
>  grep @llvm.atomic.load.umax.i32 Output/atomic.c.out.tmp1 &&
>  grep @llvm.atomic.swap.i32 Output/atomic.c.out.tmp1 &&
>  grep @llvm.atomic.lcs.i32 Output/atomic.c.out.tmp1 &&
>  grep @llvm.atomic.load.and.i32 Output/atomic.c.out.tmp1 &&
>  grep @llvm.atomic.load.or.i32 Output/atomic.c.out.tmp1 &&
>  grep @llvm.atomic.load.xor.i32 Output/atomic.c.out.tmp1
> Incorrect Output:
> ******************** TEST 'atomic.c' FAILED! ********************
>
> Anyone else seeing this?
>
> More information:
>
> *(kremenek at grue:CodeGen)$  cat Output/atomic.c.out.tmp1*
> ; ModuleID = 'atomic.c'
> target datalayout = 
> "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
> target triple = "i686-apple-darwin9.3.0"
>
> define i32 @atomic() {
> entry:
> %old = alloca i32, align 4 ; <i32*> [#uses=12]
> %val = alloca i32, align 4 ; <i32*> [#uses=10]
> %uval = alloca i32, align 4 ; <i32*> [#uses=3]
> %cmp = alloca i32, align 4 ; <i32*> [#uses=1]
> store i32 1, i32* %val
> store i32 1, i32* %uval
> store i32 0, i32* %cmp
> call i32 @llvm.atomic.load.add.i32( i32* %val, i32 1 ) ; <i32>:0 [#uses=1]
> store i32 %0, i32* %old
> call i32 @llvm.atomic.load.sub.i32( i32* %val, i32 2 ) ; <i32>:1 [#uses=1]
> store i32 %1, i32* %old
> call i32 @llvm.atomic.load.min.i32( i32* %val, i32 3 ) ; <i32>:2 [#uses=1]
> store i32 %2, i32* %old
> call i32 @llvm.atomic.load.max.i32( i32* %val, i32 4 ) ; <i32>:3 [#uses=1]
> store i32 %3, i32* %old
> call i32 @llvm.atomic.load.umin.i32( i32* %uval, i32 5 ) ; <i32>:4 
> [#uses=1]
> store i32 %4, i32* %old
> call i32 @llvm.atomic.load.umax.i32( i32* %uval, i32 6 ) ; <i32>:5 
> [#uses=1]
> store i32 %5, i32* %old
> call i32 @llvm.atomic.swap.i32( i32* %val, i32 7 ) ; <i32>:6 [#uses=1]
> store i32 %6, i32* %old
> call i32 @llvm.atomic.cmp.swap.i32( i32* %val, i32 4, i32 1976 ) ; 
> <i32>:7 [#uses=1]
> store i32 %7, i32* %old
> call i32 @llvm.atomic.load.and.i32( i32* %val, i32 9 ) ; <i32>:8 [#uses=1]
> store i32 %8, i32* %old
> call i32 @llvm.atomic.load.or.i32( i32* %val, i32 10 ) ; <i32>:9 [#uses=1]
> store i32 %9, i32* %old
> call i32 @llvm.atomic.load.xor.i32( i32* %val, i32 11 ) ; <i32>:10 
> [#uses=1]
> store i32 %10, i32* %old
> %tmp = load i32* %old ; <i32> [#uses=1]
> ret i32 %tmp
> }
>
> declare i32 @llvm.atomic.load.add.i32(i32*, i32) nounwind 
>
> declare i32 @llvm.atomic.load.sub.i32(i32*, i32) nounwind 
>
> declare i32 @llvm.atomic.load.min.i32(i32*, i32) nounwind 
>
> declare i32 @llvm.atomic.load.max.i32(i32*, i32) nounwind 
>
> declare i32 @llvm.atomic.load.umin.i32(i32*, i32) nounwind 
>
> declare i32 @llvm.atomic.load.umax.i32(i32*, i32) nounwind 
>
> declare i32 @llvm.atomic.swap.i32(i32*, i32) nounwind 
>
> declare i32 @llvm.atomic.cmp.swap.i32(i32*, i32, i32) nounwind 
>
> declare i32 @llvm.atomic.load.and.i32(i32*, i32) nounwind 
>
> declare i32 @llvm.atomic.load.or.i32(i32*, i32) nounwind 
>
> declare i32 @llvm.atomic.load.xor.i32(i32*, i32) nounwind 
>
> ------------------------------------------------------------------------
>
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