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| author | Chris Lattner <sabre@nondot.org> | 2006-09-07 21:29:32 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2006-09-07 21:29:32 +0000 |
| commit | 3d222b9acebff6bb5510dc0c79651045c5e458cf (patch) | |
| tree | e46bfbd2afb7739f79208f18f873615ec4e25fa7 /test/Transforms/TailDup | |
| parent | ffc0b2663e4beaea1b584db607efd60660f5a74e (diff) | |
new testcase
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30157 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/TailDup')
| -rw-r--r-- | test/Transforms/TailDup/if-tail-dup.ll | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/test/Transforms/TailDup/if-tail-dup.ll b/test/Transforms/TailDup/if-tail-dup.ll new file mode 100644 index 0000000000..69205ec1d5 --- /dev/null +++ b/test/Transforms/TailDup/if-tail-dup.ll @@ -0,0 +1,57 @@ +; RUN: llvm-as < %s | opt -tailduplicate | llc -march=x86 | grep 'je ' && +; RUN: llvm-as < %s | opt -tailduplicate | llc -march=x86 | not grep jmp +; This should have no unconditional jumps in it. The C source is: + +;void foo(int c, int* P) { +; if (c & 1) P[0] = 1; +; if (c & 2) P[1] = 1; +; if (c & 4) P[2] = 1; +; if (c & 8) P[3] = 1; +;} + + +void %foo(int %c, int* %P) { +entry: + %tmp1 = and int %c, 1 ; <int> [#uses=1] + %tmp1 = seteq int %tmp1, 0 ; <bool> [#uses=1] + br bool %tmp1, label %cond_next, label %cond_true + +cond_true: ; preds = %entry + store int 1, int* %P + br label %cond_next + +cond_next: ; preds = %entry, %cond_true + %tmp5 = and int %c, 2 ; <int> [#uses=1] + %tmp5 = seteq int %tmp5, 0 ; <bool> [#uses=1] + br bool %tmp5, label %cond_next10, label %cond_true6 + +cond_true6: ; preds = %cond_next + %tmp8 = getelementptr int* %P, int 1 ; <int*> [#uses=1] + store int 1, int* %tmp8 + br label %cond_next10 + +cond_next10: ; preds = %cond_next, %cond_true6 + %tmp13 = and int %c, 4 ; <int> [#uses=1] + %tmp13 = seteq int %tmp13, 0 ; <bool> [#uses=1] + br bool %tmp13, label %cond_next18, label %cond_true14 + +cond_true14: ; preds = %cond_next10 + %tmp16 = getelementptr int* %P, int 2 ; <int*> [#uses=1] + store int 1, int* %tmp16 + br label %cond_next18 + +cond_next18: ; preds = %cond_next10, %cond_true14 + %tmp21 = and int %c, 8 ; <int> [#uses=1] + %tmp21 = seteq int %tmp21, 0 ; <bool> [#uses=1] + br bool %tmp21, label %return, label %cond_true22 + +cond_true22: ; preds = %cond_next18 + %tmp24 = getelementptr int* %P, int 3 ; <int*> [#uses=1] + store int 1, int* %tmp24 + ret void + +return: ; preds = %cond_next18 + ret void +} + + |