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Enhance this to check for a crash, add a case that crashes simplifylibcalls,
and add a case that has uses. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23424 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -1,4 +1,5 @@
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; Test that the SPrintFOptimizer works correctly
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; Test that the SPrintFOptimizer works correctly
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; RUN: llvm-as < %s | opt -simplify-libcalls -disable-output &&
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; RUN: llvm-as < %s | opt -simplify-libcalls | llvm-dis | not grep 'call.*sprintf'
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; RUN: llvm-as < %s | opt -simplify-libcalls | llvm-dis | not grep 'call.*sprintf'
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declare int %sprintf(sbyte*,sbyte*,...)
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declare int %sprintf(sbyte*,sbyte*,...)
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@ -11,7 +12,7 @@ declare int %puts(sbyte*)
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implementation ; Functions:
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implementation ; Functions:
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int %main () {
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int %foo (sbyte* %p) {
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%target = alloca [1024 x sbyte]
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%target = alloca [1024 x sbyte]
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%target_p = getelementptr [1024 x sbyte]* %target, int 0, int 0
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%target_p = getelementptr [1024 x sbyte]* %target, int 0, int 0
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%hello_p = getelementptr [6 x sbyte]* %hello, int 0, int 0
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%hello_p = getelementptr [6 x sbyte]* %hello, int 0, int 0
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@ -24,9 +25,12 @@ int %main () {
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%r2 = call int (sbyte*,sbyte*,...)* %sprintf(sbyte* %target_p, sbyte* %null_p)
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%r2 = call int (sbyte*,sbyte*,...)* %sprintf(sbyte* %target_p, sbyte* %null_p)
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%r3 = call int (sbyte*,sbyte*,...)* %sprintf(sbyte* %target_p, sbyte* %nh_p)
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%r3 = call int (sbyte*,sbyte*,...)* %sprintf(sbyte* %target_p, sbyte* %nh_p)
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%r4 = call int (sbyte*,sbyte*,...)* %sprintf(sbyte* %target_p, sbyte* %fmt1_p, sbyte* %hello_p)
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%r4 = call int (sbyte*,sbyte*,...)* %sprintf(sbyte* %target_p, sbyte* %fmt1_p, sbyte* %hello_p)
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%r4.1 = call int (sbyte*,sbyte*,...)* %sprintf(sbyte* %target_p, sbyte* %fmt1_p, sbyte* %p)
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%r5 = call int (sbyte*,sbyte*,...)* %sprintf(sbyte* %target_p, sbyte* %fmt2_p, int 82)
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%r5 = call int (sbyte*,sbyte*,...)* %sprintf(sbyte* %target_p, sbyte* %fmt2_p, int 82)
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%r6 = add int %r1, %r2
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%r6 = add int %r1, %r2
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%r7 = add int %r3, %r6
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%r7 = add int %r3, %r6
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%r8 = add int %r5, %r7
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%r8 = add int %r5, %r7
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ret int %r8
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%r9 = add int %r8, %r4
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%r10 = add int %r9, %r4.1
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ret int %r10
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}
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}
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