[llvm] ed0074b - [X86] freeze-binary.ll - tweak freeze_mul_nsw test to avoid mul by pow-2
Simon Pilgrim via llvm-commits
llvm-commits at lists.llvm.org
Sun Aug 14 05:36:17 PDT 2022
Author: Simon Pilgrim
Date: 2022-08-14T13:35:56+01:00
New Revision: ed0074bd8624c507871f56f2e6ab0886759bd150
URL: https://github.com/llvm/llvm-project/commit/ed0074bd8624c507871f56f2e6ab0886759bd150
DIFF: https://github.com/llvm/llvm-project/commit/ed0074bd8624c507871f56f2e6ab0886759bd150.diff
LOG: [X86] freeze-binary.ll - tweak freeze_mul_nsw test to avoid mul by pow-2
Enabling freeze(shl()) -> shl(freeze()) was affecting this test
Added:
Modified:
llvm/test/CodeGen/X86/freeze-binary.ll
Removed:
################################################################################
diff --git a/llvm/test/CodeGen/X86/freeze-binary.ll b/llvm/test/CodeGen/X86/freeze-binary.ll
index 8ed94b482959..9f83976cfe79 100644
--- a/llvm/test/CodeGen/X86/freeze-binary.ll
+++ b/llvm/test/CodeGen/X86/freeze-binary.ll
@@ -272,19 +272,19 @@ define i32 @freeze_mul_nsw(i32 %a0) nounwind {
; X86-LABEL: freeze_mul_nsw:
; X86: # %bb.0:
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: addl %eax, %eax
-; X86-NEXT: shll $2, %eax
+; X86-NEXT: leal (%eax,%eax,2), %eax
+; X86-NEXT: leal (%eax,%eax,4), %eax
; X86-NEXT: retl
;
; X64-LABEL: freeze_mul_nsw:
; X64: # %bb.0:
; X64-NEXT: # kill: def $edi killed $edi def $rdi
-; X64-NEXT: leal (%rdi,%rdi), %eax
-; X64-NEXT: shll $2, %eax
+; X64-NEXT: leal (%rdi,%rdi,2), %eax
+; X64-NEXT: leal (%rax,%rax,4), %eax
; X64-NEXT: retq
- %x = mul nsw i32 %a0, 2
+ %x = mul nsw i32 %a0, 3
%y = freeze i32 %x
- %z = mul i32 %y, 4
+ %z = mul i32 %y, 5
ret i32 %z
}
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