From bfe2c9ccf83a8289c6fd40698a53f9f668560984 Mon Sep 17 00:00:00 2001 From: Devang Patel Date: Tue, 10 Apr 2007 16:57:08 +0000 Subject: [PATCH] Add test case for PR 1154. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35865 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/Transforms/LoopRotate/pr1154.ll | 125 +++++++++++++++++++++++++++ 1 file changed, 125 insertions(+) create mode 100644 test/Transforms/LoopRotate/pr1154.ll diff --git a/test/Transforms/LoopRotate/pr1154.ll b/test/Transforms/LoopRotate/pr1154.ll new file mode 100644 index 00000000000..c417710532b --- /dev/null +++ b/test/Transforms/LoopRotate/pr1154.ll @@ -0,0 +1,125 @@ +; RUN: llvm-upgrade < %s | llvm-as | opt -std-compile-opts | llvm-dis | %prcontext strstr 2 | grep -v declare |grep "bb36.outer:" +@str = internal constant [68 x i8] c"Dot. date. datum. 123. Some more doubtful demonstration dummy data.\00" ; <[68 x i8]*> [#uses=1] +@str1 = internal constant [5 x i8] c"ummy\00" ; <[5 x i8]*> [#uses=1] +@str2 = internal constant [6 x i8] c" data\00" ; <[6 x i8]*> [#uses=1] +@str3 = internal constant [3 x i8] c"by\00" ; <[3 x i8]*> [#uses=1] + +i32 @stringSearch_Clib(i32 %count) { +entry: + %count_addr = alloca i32 ; [#uses=2] + %retval = alloca i32, align 4 ; [#uses=2] + %tmp = alloca i32, align 4 ; [#uses=2] + %i = alloca i32, align 4 ; [#uses=5] + %c = alloca i32, align 4 ; [#uses=9] + %j = alloca i32, align 4 ; [#uses=4] + %p = alloca i8*, align 4 ; [#uses=6] + %b = alloca [68 x i8], align 16 ; <[68 x i8]*> [#uses=6] + "alloca point" = bitcast i32 0 to i32 ; [#uses=0] + store i32 %count, i32* %count_addr + store i32 0, i32* %c + %b1 = bitcast [68 x i8]* %b to i8* ; [#uses=1] + %tmp2 = getelementptr [68 x i8]* @str, i32 0, i32 0 ; [#uses=1] + call void @llvm.memcpy.i32( i8* %b1, i8* %tmp2, i32 68, i32 1 ) + store i32 0, i32* %j + br label %bb41 + +bb: ; preds = %bb41 + store i32 0, i32* %i + %tmp3 = load i32* %i ; [#uses=1] + store i32 %tmp3, i32* %c + br label %bb36 + +bb4: ; preds = %bb36 + %b5 = bitcast [68 x i8]* %b to i8* ; [#uses=1] + %tmp6 = getelementptr [5 x i8]* @str1, i32 0, i32 0 ; [#uses=1] + %tmp7 = call i8* @strstr( i8* %b5, i8* %tmp6 ) ; [#uses=1] + store i8* %tmp7, i8** %p + %tmp8 = load i8** %p ; [#uses=1] + %ttmp8 = icmp ne i8* %tmp8, null ; :0 [#uses=1] + %ttmp10 = zext i1 %ttmp8 to i8 ; :1 [#uses=1] + %ttmp7 = icmp ne i8 %ttmp10, 0 ; :2 [#uses=1] + br i1 %ttmp7, label %cond_true, label %cond_next + +cond_true: ; preds = %bb4 + %tmp9 = load i8** %p ; [#uses=1] + %tmp910 = ptrtoint i8* %tmp9 to i32 ; [#uses=1] + %b11 = bitcast [68 x i8]* %b to i8* ; [#uses=1] + %b1112 = ptrtoint i8* %b11 to i32 ; [#uses=1] + %tmp13 = sub i32 %tmp910, %b1112 ; [#uses=1] + %tmp14 = load i32* %c ; [#uses=1] + %tmp15 = add i32 %tmp13, %tmp14 ; [#uses=1] + store i32 %tmp15, i32* %c + br label %cond_next + +cond_next: ; preds = %cond_true, %bb4 + %b16 = bitcast [68 x i8]* %b to i8* ; [#uses=1] + %tmp17 = getelementptr [6 x i8]* @str2, i32 0, i32 0 ; [#uses=1] + %tmp18 = call i8* @strstr( i8* %b16, i8* %tmp17 ) ; [#uses=1] + store i8* %tmp18, i8** %p + %tmp19 = load i8** %p ; [#uses=1] + %ttmp6 = icmp ne i8* %tmp19, null ; :3 [#uses=1] + %ttmp9 = zext i1 %ttmp6 to i8 ; :4 [#uses=1] + %ttmp4 = icmp ne i8 %ttmp9, 0 ; :5 [#uses=1] + br i1 %ttmp4, label %cond_true20, label %cond_next28 + +cond_true20: ; preds = %cond_next + %tmp21 = load i8** %p ; [#uses=1] + %tmp2122 = ptrtoint i8* %tmp21 to i32 ; [#uses=1] + %b23 = bitcast [68 x i8]* %b to i8* ; [#uses=1] + %b2324 = ptrtoint i8* %b23 to i32 ; [#uses=1] + %tmp25 = sub i32 %tmp2122, %b2324 ; [#uses=1] + %tmp26 = load i32* %c ; [#uses=1] + %tmp27 = add i32 %tmp25, %tmp26 ; [#uses=1] + store i32 %tmp27, i32* %c + br label %cond_next28 + +cond_next28: ; preds = %cond_true20, %cond_next + %b29 = bitcast [68 x i8]* %b to i8* ; [#uses=1] + %tmp30 = getelementptr [3 x i8]* @str3, i32 0, i32 0 ; [#uses=1] + %tmp31 = call i32 @strcspn( i8* %b29, i8* %tmp30 ) ; [#uses=1] + %tmp32 = load i32* %c ; [#uses=1] + %tmp33 = add i32 %tmp31, %tmp32 ; [#uses=1] + store i32 %tmp33, i32* %c + %tmp34 = load i32* %i ; [#uses=1] + %tmp35 = add i32 %tmp34, 1 ; [#uses=1] + store i32 %tmp35, i32* %i + br label %bb36 + +bb36: ; preds = %cond_next28, %bb + %tmp37 = load i32* %i ; [#uses=1] + %ttmp3= icmp sle i32 %tmp37, 249 ; :6 [#uses=1] + %ttmp12 = zext i1 %ttmp3 to i8 ; :7 [#uses=1] + %ttmp1 = icmp ne i8 %ttmp12, 0 ; :8 [#uses=1] + br i1 %ttmp1, label %bb4, label %bb38 + +bb38: ; preds = %bb36 + %tmp39 = load i32* %j ; [#uses=1] + %tmp40 = add i32 %tmp39, 1 ; [#uses=1] + store i32 %tmp40, i32* %j + br label %bb41 + +bb41: ; preds = %bb38, %entry + %tmp42 = load i32* %j ; [#uses=1] + %tmp43 = load i32* %count_addr ; [#uses=1] + %ttmp2 = icmp slt i32 %tmp42, %tmp43 ; :9 [#uses=1] + %ttmp11 = zext i1 %ttmp2 to i8 ; :10 [#uses=1] + %ttmp5 = icmp ne i8 %ttmp11, 0 ; :11 [#uses=1] + br i1 %ttmp5, label %bb, label %bb44 + +bb44: ; preds = %bb41 + %tmp45 = load i32* %c ; [#uses=1] + store i32 %tmp45, i32* %tmp + %tmp46 = load i32* %tmp ; [#uses=1] + store i32 %tmp46, i32* %retval + br label %return + +return: ; preds = %bb44 + %retval47 = load i32* %retval ; [#uses=1] + ret i32 %retval47 +} + +declare void @llvm.memcpy.i32(i8*, i8*, i32, i32) + +declare i8* @strstr(i8*, i8*) + +declare i32 @strcspn(i8*, i8*)