diff options
Diffstat (limited to 'llvm/test')
| -rw-r--r-- | llvm/test/CodeGen/ARM/iabs.ll | 20 | ||||
| -rw-r--r-- | llvm/test/Transforms/InstCombine/and-fcmp.ll | 11 |
2 files changed, 30 insertions, 1 deletions
diff --git a/llvm/test/CodeGen/ARM/iabs.ll b/llvm/test/CodeGen/ARM/iabs.ll index 89e309d1606..e7026791c95 100644 --- a/llvm/test/CodeGen/ARM/iabs.ll +++ b/llvm/test/CodeGen/ARM/iabs.ll @@ -10,7 +10,25 @@ define i32 @test(i32 %a) { %b = icmp sgt i32 %a, -1 %abs = select i1 %b, i32 %a, i32 %tmp1neg ret i32 %abs -; CHECK: movs r0, r0 +; CHECK: cmp ; CHECK: rsbmi r0, r0, #0 ; CHECK: bx lr } + +; rdar://11633193 +; 3 instructions will be generated for the following case: +; subs +; rsbmi +; bx +define i32 @test2(i32 %a, i32 %b) nounwind readnone ssp { +entry: +; CHECK: test2 +; CHECK-NEXT: subs +; CHECK-NEXT: rsbmi +; CHECK-NEXT: bx + %sub = sub nsw i32 %a, %b + %cmp = icmp sgt i32 %sub, -1 + %sub1 = sub nsw i32 0, %sub + %cond = select i1 %cmp, i32 %sub, i32 %sub1 + ret i32 %cond +} diff --git a/llvm/test/Transforms/InstCombine/and-fcmp.ll b/llvm/test/Transforms/InstCombine/and-fcmp.ll index 282e88b53d0..838c2f73fb9 100644 --- a/llvm/test/Transforms/InstCombine/and-fcmp.ll +++ b/llvm/test/Transforms/InstCombine/and-fcmp.ll @@ -66,3 +66,14 @@ define zeroext i8 @t6(float %x, float %y) nounwind { ; CHECK: t6 ; CHECK: ret i8 0 } + +define zeroext i8 @t7(float %x, float %y) nounwind { + %a = fcmp uno float %x, %y + %b = fcmp ult float %x, %y + %c = and i1 %a, %b + %retval = zext i1 %c to i8 + ret i8 %retval +; CHECK: t7 +; CHECK: fcmp uno +; CHECK-NOT: fcmp ult +} |
