diff options
Diffstat (limited to 'test/CodeGen/X86/use-add-flags.ll')
| -rw-r--r-- | test/CodeGen/X86/use-add-flags.ll | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/test/CodeGen/X86/use-add-flags.ll b/test/CodeGen/X86/use-add-flags.ll deleted file mode 100644 index da0002cc2520..000000000000 --- a/test/CodeGen/X86/use-add-flags.ll +++ /dev/null @@ -1,57 +0,0 @@ -; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s -; RUN: llc < %s -mtriple=x86_64-win32 | FileCheck %s - -; Reuse the flags value from the add instructions instead of emitting separate -; testl instructions. - -; Use the flags on the add. - -; CHECK-LABEL: test1: -; CHECK: addl -; CHECK-NOT: test -; CHECK: cmovnsl -; CHECK: ret - -define i32 @test1(i32* %x, i32 %y, i32 %a, i32 %b) nounwind { - %tmp2 = load i32, i32* %x, align 4 ; <i32> [#uses=1] - %tmp4 = add i32 %tmp2, %y ; <i32> [#uses=1] - %tmp5 = icmp slt i32 %tmp4, 0 ; <i1> [#uses=1] - %tmp.0 = select i1 %tmp5, i32 %a, i32 %b ; <i32> [#uses=1] - ret i32 %tmp.0 -} - -declare void @foo(i32) - -; Don't use the flags result of the and here, since the and has no -; other use. A simple test is better. - -; CHECK-LABEL: test2: -; CHECK: testb $16, {{%dil|%cl}} - -define void @test2(i32 %x) nounwind { - %y = and i32 %x, 16 - %t = icmp eq i32 %y, 0 - br i1 %t, label %true, label %false -true: - call void @foo(i32 %x) - ret void -false: - ret void -} - -; Do use the flags result of the and here, since the and has another use. - -; CHECK-LABEL: test3: -; CHECK: andl $16, %e -; CHECK-NEXT: jne - -define void @test3(i32 %x) nounwind { - %y = and i32 %x, 16 - %t = icmp eq i32 %y, 0 - br i1 %t, label %true, label %false -true: - call void @foo(i32 %y) - ret void -false: - ret void -} |
