Mercurial > hg > CbC > CbC_llvm
diff test/CodeGen/Thumb2/thumb2-branch.ll @ 0:95c75e76d11b LLVM3.4
LLVM 3.4
author | Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> |
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date | Thu, 12 Dec 2013 13:56:28 +0900 |
parents | |
children | 54457678186b |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/CodeGen/Thumb2/thumb2-branch.ll Thu Dec 12 13:56:28 2013 +0900 @@ -0,0 +1,74 @@ +; RUN: llc < %s -mtriple=thumbv7-apple-darwin -mattr=+thumb2 | FileCheck %s +; If-conversion defeats the purpose of this test, which is to check +; conditional branch generation, so a call to make sure it doesn't +; happen and we get actual branches. + +declare void @foo() + +define i32 @f1(i32 %a, i32 %b, i32* %v) { +entry: +; CHECK-LABEL: f1: +; CHECK: bne LBB + %tmp = icmp eq i32 %a, %b ; <i1> [#uses=1] + br i1 %tmp, label %cond_true, label %return + +cond_true: ; preds = %entry + call void @foo() + store i32 0, i32* %v + ret i32 0 + +return: ; preds = %entry + call void @foo() + ret i32 1 +} + +define i32 @f2(i32 %a, i32 %b, i32* %v) { +entry: +; CHECK-LABEL: f2: +; CHECK: bge LBB + %tmp = icmp slt i32 %a, %b ; <i1> [#uses=1] + br i1 %tmp, label %cond_true, label %return + +cond_true: ; preds = %entry + call void @foo() + store i32 0, i32* %v + ret i32 0 + +return: ; preds = %entry + call void @foo() + ret i32 1 +} + +define i32 @f3(i32 %a, i32 %b, i32* %v) { +entry: +; CHECK-LABEL: f3: +; CHECK: bhs LBB + %tmp = icmp ult i32 %a, %b ; <i1> [#uses=1] + br i1 %tmp, label %cond_true, label %return + +cond_true: ; preds = %entry + call void @foo() + store i32 0, i32* %v + ret i32 0 + +return: ; preds = %entry + call void @foo() + ret i32 1 +} + +define i32 @f4(i32 %a, i32 %b, i32* %v) { +entry: +; CHECK-LABEL: f4: +; CHECK: blo LBB + %tmp = icmp uge i32 %a, %b ; <i1> [#uses=1] + br i1 %tmp, label %cond_true, label %return + +cond_true: ; preds = %entry + call void @foo() + store i32 0, i32* %v + ret i32 0 + +return: ; preds = %entry + call void @foo() + ret i32 1 +}