diff test/CodeGen/X86/narrow-shl-cst.ll @ 0:95c75e76d11b LLVM3.4

LLVM 3.4
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 13:56:28 +0900
parents
children afa8332a0e37
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/CodeGen/X86/narrow-shl-cst.ll	Thu Dec 12 13:56:28 2013 +0900
@@ -0,0 +1,101 @@
+; RUN: llc < %s -march=x86-64 | FileCheck %s
+; PR5039
+
+define i32 @test1(i32 %x) nounwind {
+  %and = shl i32 %x, 10
+  %shl = and i32 %and, 31744
+  ret i32 %shl
+; CHECK-LABEL: test1:
+; CHECK: andl $31
+; CHECK: shll $10
+}
+
+define i32 @test2(i32 %x) nounwind {
+  %or = shl i32 %x, 10
+  %shl = or i32 %or, 31744
+  ret i32 %shl
+; CHECK-LABEL: test2:
+; CHECK: orl $31
+; CHECK: shll $10
+}
+
+define i32 @test3(i32 %x) nounwind {
+  %xor = shl i32 %x, 10
+  %shl = xor i32 %xor, 31744
+  ret i32 %shl
+; CHECK-LABEL: test3:
+; CHECK: xorl $31
+; CHECK: shll $10
+}
+
+define i64 @test4(i64 %x) nounwind {
+  %and = shl i64 %x, 40
+  %shl = and i64 %and, 264982302294016
+  ret i64 %shl
+; CHECK-LABEL: test4:
+; CHECK: andq $241
+; CHECK: shlq $40
+}
+
+define i64 @test5(i64 %x) nounwind {
+  %and = shl i64 %x, 40
+  %shl = and i64 %and, 34084860461056
+  ret i64 %shl
+; CHECK-LABEL: test5:
+; CHECK: andq $31
+; CHECK: shlq $40
+}
+
+define i64 @test6(i64 %x) nounwind {
+  %and = shl i64 %x, 32
+  %shl = and i64 %and, -281474976710656
+  ret i64 %shl
+; CHECK-LABEL: test6:
+; CHECK: andq $-65536
+; CHECK: shlq $32
+}
+
+define i64 @test7(i64 %x) nounwind {
+  %or = shl i64 %x, 40
+  %shl = or i64 %or, 264982302294016
+  ret i64 %shl
+; CHECK-LABEL: test7:
+; CHECK: orq $241
+; CHECK: shlq $40
+}
+
+define i64 @test8(i64 %x) nounwind {
+  %or = shl i64 %x, 40
+  %shl = or i64 %or, 34084860461056
+  ret i64 %shl
+; CHECK-LABEL: test8:
+; CHECK: orq $31
+; CHECK: shlq $40
+}
+
+define i64 @test9(i64 %x) nounwind {
+  %xor = shl i64 %x, 40
+  %shl = xor i64 %xor, 264982302294016
+  ret i64 %shl
+; CHECK-LABEL: test9:
+; CHECK: orq $241
+; CHECK: shlq $40
+}
+
+define i64 @test10(i64 %x) nounwind {
+  %xor = shl i64 %x, 40
+  %shl = xor i64 %xor, 34084860461056
+  ret i64 %shl
+; CHECK-LABEL: test10:
+; CHECK: xorq $31
+; CHECK: shlq $40
+}
+
+define i64 @test11(i64 %x) nounwind {
+  %xor = shl i64 %x, 33
+  %shl = xor i64 %xor, -562949953421312
+  ret i64 %shl
+; CHECK-LABEL: test11:
+; CHECK: xorq $-65536
+; CHECK: shlq $33
+}