diff options
Diffstat (limited to 'test/CodeGen/X86/legalize-shift-64.ll')
| -rw-r--r-- | test/CodeGen/X86/legalize-shift-64.ll | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/test/CodeGen/X86/legalize-shift-64.ll b/test/CodeGen/X86/legalize-shift-64.ll new file mode 100644 index 0000000..2026472 --- /dev/null +++ b/test/CodeGen/X86/legalize-shift-64.ll @@ -0,0 +1,56 @@ +; RUN: llc -march=x86 < %s | FileCheck %s + +define i64 @test1(i32 %xx, i32 %test) nounwind { + %conv = zext i32 %xx to i64 + %and = and i32 %test, 7 + %sh_prom = zext i32 %and to i64 + %shl = shl i64 %conv, %sh_prom + ret i64 %shl +; CHECK: test1: +; CHECK: shll %cl, %eax +; CHECK: shrl %edx +; CHECK: xorb $31 +; CHECK: shrl %cl, %edx +} + +define i64 @test2(i64 %xx, i32 %test) nounwind { + %and = and i32 %test, 7 + %sh_prom = zext i32 %and to i64 + %shl = shl i64 %xx, %sh_prom + ret i64 %shl +; CHECK: test2: +; CHECK: shll %cl, %esi +; CHECK: shrl %edx +; CHECK: xorb $31 +; CHECK: shrl %cl, %edx +; CHECK: orl %esi, %edx +; CHECK: shll %cl, %eax +} + +define i64 @test3(i64 %xx, i32 %test) nounwind { + %and = and i32 %test, 7 + %sh_prom = zext i32 %and to i64 + %shr = lshr i64 %xx, %sh_prom + ret i64 %shr +; CHECK: test3: +; CHECK: shrl %cl, %esi +; CHECK: leal (%edx,%edx), %eax +; CHECK: xorb $31, %cl +; CHECK: shll %cl, %eax +; CHECK: orl %esi, %eax +; CHECK: shrl %cl, %edx +} + +define i64 @test4(i64 %xx, i32 %test) nounwind { + %and = and i32 %test, 7 + %sh_prom = zext i32 %and to i64 + %shr = ashr i64 %xx, %sh_prom + ret i64 %shr +; CHECK: test4: +; CHECK: shrl %cl, %esi +; CHECK: leal (%edx,%edx), %eax +; CHECK: xorb $31, %cl +; CHECK: shll %cl, %eax +; CHECK: orl %esi, %eax +; CHECK: sarl %cl, %edx +} |