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37 lines
1.6 KiB
LLVM
37 lines
1.6 KiB
LLVM
; 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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declare int %sprintf(sbyte*,sbyte*,...)
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declare int %puts(sbyte*)
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%hello = constant [6 x sbyte] c"hello\00"
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%null = constant [1 x sbyte] c"\00"
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%null_hello = constant [7 x sbyte] c"\00hello\00"
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%fmt1 = constant [3 x sbyte] c"%s\00"
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%fmt2 = constant [3 x sbyte] c"%c\00"
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implementation ; Functions:
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int %foo (sbyte* %p) {
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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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%hello_p = getelementptr [6 x sbyte]* %hello, int 0, int 0
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%null_p = getelementptr [1 x sbyte]* %null, int 0, int 0
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%nh_p = getelementptr [7 x sbyte]* %null_hello, int 0, int 0
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%fmt1_p = getelementptr [3 x sbyte]* %fmt1, int 0, int 0
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%fmt2_p = getelementptr [3 x sbyte]* %fmt2, int 0, int 0
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store sbyte 0, sbyte* %target_p
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%r1 = call int (sbyte*,sbyte*,...)* %sprintf(sbyte* %target_p, sbyte* %hello_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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%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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%r6 = add int %r1, %r2
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%r7 = add int %r3, %r6
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%r8 = add int %r5, %r7
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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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