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Have the X86 back-end emit the alias instead of what's being aliased. In most

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cases, it's much nicer and more informative reading the alias.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129497 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling
2011-04-14 01:11:51 +00:00
parent eef965f04b
commit c6df9883da
33 changed files with 175 additions and 163 deletions
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13
test/CodeGen/X86/2009-06-05-VZextByteShort.ll
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@@ -1,9 +1,8 @@
; RUN: llc < %s -march=x86 -mattr=+mmx,+sse2 > %t1
; RUN: grep movzwl %t1 | count 2
; RUN: grep movzbl %t1 | count 2
; RUN: grep movd %t1 | count 4
; RUN: llc < %s -march=x86 -mattr=+mmx,+sse2 | FileCheck %s
define <4 x i16> @a(i32* %x1) nounwind {
; CHECK: movzx
; CHECK-NEXT: movd
%x2 = load i32* %x1
%x3 = lshr i32 %x2, 1
%x = trunc i32 %x3 to i16
@@ -12,6 +11,8 @@ define <4 x i16> @a(i32* %x1) nounwind {
}
define <8 x i16> @b(i32* %x1) nounwind {
; CHECK: movzx
; CHECK-NEXT: movd
%x2 = load i32* %x1
%x3 = lshr i32 %x2, 1
%x = trunc i32 %x3 to i16
@@ -20,6 +21,8 @@ define <8 x i16> @b(i32* %x1) nounwind {
}
define <8 x i8> @c(i32* %x1) nounwind {
; CHECK: movzx
; CHECK-NEXT: movd
%x2 = load i32* %x1
%x3 = lshr i32 %x2, 1
%x = trunc i32 %x3 to i8
@@ -28,6 +31,8 @@ define <8 x i8> @c(i32* %x1) nounwind {
}
define <16 x i8> @d(i32* %x1) nounwind {
; CHECK: movzx
; CHECK-NEXT: movd
%x2 = load i32* %x1
%x3 = lshr i32 %x2, 1
%x = trunc i32 %x3 to i8