diff options
Diffstat (limited to 'test/Transforms/InstCombine/CPP_min_max.llx')
| -rw-r--r-- | test/Transforms/InstCombine/CPP_min_max.llx | 42 |
1 files changed, 20 insertions, 22 deletions
diff --git a/test/Transforms/InstCombine/CPP_min_max.llx b/test/Transforms/InstCombine/CPP_min_max.llx index 2818fa779a..785b91e79e 100644 --- a/test/Transforms/InstCombine/CPP_min_max.llx +++ b/test/Transforms/InstCombine/CPP_min_max.llx @@ -1,6 +1,5 @@ -; RUN: llvm-upgrade < %s | llvm-as | opt -instcombine | llvm-dis | \ +; RUN: llvm-as < %s | opt -instcombine | llvm-dis | \ ; RUN: grep select | not grep {i32\\*} -; END. ; This testcase corresponds to PR362, which notices that this horrible code ; is generated by the C++ front-end and LLVM optimizers, which has lots of @@ -9,28 +8,27 @@ ; Instcombine should propagate the load through the select instructions to ; allow elimination of the extra stuff by the mem2reg pass. -implementation ; Functions: - -void %_Z5test1RiS_(int* %x, int* %y) { +define void @_Z5test1RiS_(i32* %x, i32* %y) { entry: - %tmp.1.i = load int* %y ; <int> [#uses=1] - %tmp.3.i = load int* %x ; <int> [#uses=1] - %tmp.4.i = setlt int %tmp.1.i, %tmp.3.i ; <bool> [#uses=1] - %retval.i = select bool %tmp.4.i, int* %y, int* %x ; <int*> [#uses=1] - %tmp.4 = load int* %retval.i ; <int> [#uses=1] - store int %tmp.4, int* %x - ret void + %tmp.1.i = load i32* %y ; <i32> [#uses=1] + %tmp.3.i = load i32* %x ; <i32> [#uses=1] + %tmp.4.i = icmp slt i32 %tmp.1.i, %tmp.3.i ; <i1> [#uses=1] + %retval.i = select i1 %tmp.4.i, i32* %y, i32* %x ; <i32*> [#uses=1] + %tmp.4 = load i32* %retval.i ; <i32> [#uses=1] + store i32 %tmp.4, i32* %x + ret void } -void %_Z5test2RiS_(int* %x, int* %y) { +define void @_Z5test2RiS_(i32* %x, i32* %y) { entry: - %tmp.0 = alloca int ; <int*> [#uses=2] - %tmp.2 = load int* %x ; <int> [#uses=2] - store int %tmp.2, int* %tmp.0 - %tmp.3.i = load int* %y ; <int> [#uses=1] - %tmp.4.i = setlt int %tmp.2, %tmp.3.i ; <bool> [#uses=1] - %retval.i = select bool %tmp.4.i, int* %y, int* %tmp.0 ; <int*> [#uses=1] - %tmp.6 = load int* %retval.i ; <int> [#uses=1] - store int %tmp.6, int* %y - ret void + %tmp.0 = alloca i32 ; <i32*> [#uses=2] + %tmp.2 = load i32* %x ; <i32> [#uses=2] + store i32 %tmp.2, i32* %tmp.0 + %tmp.3.i = load i32* %y ; <i32> [#uses=1] + %tmp.4.i = icmp slt i32 %tmp.2, %tmp.3.i ; <i1> [#uses=1] + %retval.i = select i1 %tmp.4.i, i32* %y, i32* %tmp.0 ; <i32*> [#uses=1] + %tmp.6 = load i32* %retval.i ; <i32> [#uses=1] + store i32 %tmp.6, i32* %y + ret void } + |