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59 lines
1.6 KiB
LLVM
59 lines
1.6 KiB
LLVM
; Test that the StrCatOptimizer works correctly
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; RUN: llvm-upgrade < %s | llvm-as | opt -simplify-libcalls | llvm-dis | \
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; RUN: not grep {call.*strlen}
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target datalayout = "e-p:32:32"
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declare uint %strlen(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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implementation ; Functions:
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uint %test1() {
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%hello_p = getelementptr [6 x sbyte]* %hello, int 0, int 0
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%hello_l = call uint %strlen(sbyte* %hello_p)
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ret uint %hello_l
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}
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uint %test2() {
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%null_p = getelementptr [1 x sbyte]* %null, int 0, int 0
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%null_l = call uint %strlen(sbyte* %null_p)
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ret uint %null_l
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}
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uint %test3() {
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%null_hello_p = getelementptr [7 x sbyte]* %null_hello, int 0, int 0
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%null_hello_l = call uint %strlen(sbyte* %null_hello_p)
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ret uint %null_hello_l
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}
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bool %test4() {
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%hello_p = getelementptr [6 x sbyte]* %hello, int 0, int 0
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%hello_l = call uint %strlen(sbyte* %hello_p)
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%eq_hello = seteq uint %hello_l, 0
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ret bool %eq_hello
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}
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bool %test5() {
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%null_p = getelementptr [1 x sbyte]* %null, int 0, int 0
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%null_l = call uint %strlen(sbyte* %null_p)
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%eq_null = seteq uint %null_l, 0
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ret bool %eq_null
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}
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bool %test6() {
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%hello_p = getelementptr [6 x sbyte]* %hello, int 0, int 0
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%hello_l = call uint %strlen(sbyte* %hello_p)
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%ne_hello = setne uint %hello_l, 0
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ret bool %ne_hello
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}
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bool %test7() {
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%null_p = getelementptr [1 x sbyte]* %null, int 0, int 0
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%null_l = call uint %strlen(sbyte* %null_p)
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%ne_null = setne uint %null_l, 0
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ret bool %ne_null
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}
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