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author | Jyotsna Verma <jverma@codeaurora.org> | 2013-02-05 19:20:45 +0000 |
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committer | Jyotsna Verma <jverma@codeaurora.org> | 2013-02-05 19:20:45 +0000 |
commit | 1d3d2c57f55e04197efe15b293c783fe879c2551 (patch) | |
tree | 8d38dc5411bd63c1f74584fb6d065d2e114f7e2f /test/CodeGen/Hexagon/cmpb_pred.ll | |
parent | faf601ee936a440027447fa11ef400cf53bc1acf (diff) | |
download | llvm-1d3d2c57f55e04197efe15b293c783fe879c2551.tar.gz llvm-1d3d2c57f55e04197efe15b293c783fe879c2551.tar.bz2 llvm-1d3d2c57f55e04197efe15b293c783fe879c2551.tar.xz |
Hexagon: Use TFR_cond with cmpb.[eq,gt,gtu] to handle
zext( set[ne,eq,gt,ugt] (...) ) type of dag patterns.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174429 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/Hexagon/cmpb_pred.ll')
-rw-r--r-- | test/CodeGen/Hexagon/cmpb_pred.ll | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/test/CodeGen/Hexagon/cmpb_pred.ll b/test/CodeGen/Hexagon/cmpb_pred.ll new file mode 100644 index 0000000000..1e6144701f --- /dev/null +++ b/test/CodeGen/Hexagon/cmpb_pred.ll @@ -0,0 +1,92 @@ +; RUN: llc -march=hexagon -mcpu=hexagonv5 < %s | FileCheck %s +; Generate various cmpb instruction followed by if (p0) .. if (!p0)... +target triple = "hexagon" + +@Enum_global = external global i8 + +define i32 @Func_3(i32) nounwind readnone { +entry: +; CHECK-NOT: mux + %conv = and i32 %0, 255 + %cmp = icmp eq i32 %conv, 2 + %selv = zext i1 %cmp to i32 + ret i32 %selv +} + +define i32 @Func_3b(i32) nounwind readonly { +entry: +; CHECK-NOT: mux + %1 = load i8* @Enum_global, align 1, !tbaa !0 + %2 = trunc i32 %0 to i8 + %cmp = icmp ne i8 %1, %2 + %selv = zext i1 %cmp to i32 + ret i32 %selv +} + +define i32 @Func_3c(i32) nounwind readnone { +entry: +; CHECK-NOT: mux + %conv = and i32 %0, 255 + %cmp = icmp eq i32 %conv, 2 + %selv = zext i1 %cmp to i32 + ret i32 %selv +} + +define i32 @Func_3d(i32) nounwind readonly { +entry: +; CHECK-NOT: mux + %1 = load i8* @Enum_global, align 1, !tbaa !0 + %2 = trunc i32 %0 to i8 + %cmp = icmp eq i8 %1, %2 + %selv = zext i1 %cmp to i32 + ret i32 %selv +} + +define i32 @Func_3e(i32) nounwind readonly { +entry: +; CHECK-NOT: mux + %1 = load i8* @Enum_global, align 1, !tbaa !0 + %2 = trunc i32 %0 to i8 + %cmp = icmp eq i8 %1, %2 + %selv = zext i1 %cmp to i32 + ret i32 %selv +} + +define i32 @Func_3f(i32) nounwind readnone { +entry: +; CHECK-NOT: mux + %conv = and i32 %0, 255 + %cmp = icmp ugt i32 %conv, 2 + %selv = zext i1 %cmp to i32 + ret i32 %selv +} + +define i32 @Func_3g(i32) nounwind readnone { +entry: +; CHECK: mux + %conv = and i32 %0, 255 + %cmp = icmp ult i32 %conv, 3 + %selv = zext i1 %cmp to i32 + ret i32 %selv +} + +define i32 @Func_3h(i32) nounwind readnone { +entry: +; CHECK-NOT: mux + %conv = and i32 %0, 254 + %cmp = icmp ult i32 %conv, 2 + %selv = zext i1 %cmp to i32 + ret i32 %selv +} + +define i32 @Func_3i(i32) nounwind readnone { +entry: +; CHECK-NOT: mux + %conv = and i32 %0, 254 + %cmp = icmp ugt i32 %conv, 1 + %selv = zext i1 %cmp to i32 + ret i32 %selv +} + +!0 = metadata !{metadata !"omnipotent char", metadata !1} +!1 = metadata !{metadata !"Simple C/C++ TBAA"} |