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[X86] freeze-unary.ll - remove unnecessary freeze from CTLZ/CTTZ_ZERO_UNDEF tests

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This commit is contained in:
Simon Pilgrim
2025-07-01 08:32:11 +01:00
parent ab6316e219
commit 372e332a57
1 changed files with 4 additions and 8 deletions
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12
llvm/test/CodeGen/X86/freeze-unary.ll
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@@ -167,8 +167,7 @@ define i32 @freeze_ctlz_undef(i32 %a0) nounwind {
; X64-NEXT: movl $32, %eax
; X64-NEXT: cmovnel %ecx, %eax
; X64-NEXT: retq
%f0 = freeze i32 %a0
%x = call i32 @llvm.ctlz.i32(i32 %f0, i1 -1)
%x = call i32 @llvm.ctlz.i32(i32 %a0, i1 -1)
%f = freeze i32 %x
%c = icmp eq i32 %a0, 0
%r = select i1 %c, i32 32, i32 %f
@@ -196,8 +195,7 @@ define i32 @freeze_ctlz_undef_nonzero(i32 %a0) nounwind {
; X64-NEXT: movl $32, %eax
; X64-NEXT: cmovnel %ecx, %eax
; X64-NEXT: retq
%f0 = freeze i32 %a0
%y = or i32 %f0, 1
%y = or i32 %a0, 1
%x = call i32 @llvm.ctlz.i32(i32 %y, i1 -1)
%f = freeze i32 %x
%c = icmp eq i32 %y, 0
@@ -240,8 +238,7 @@ define i32 @freeze_cttz_undef(i32 %a0) nounwind {
; X64-NEXT: movl $32, %eax
; X64-NEXT: cmovnel %ecx, %eax
; X64-NEXT: retq
%f0 = freeze i32 %a0
%x = call i32 @llvm.cttz.i32(i32 %f0, i1 -1)
%x = call i32 @llvm.cttz.i32(i32 %a0, i1 -1)
%f = freeze i32 %x
%c = icmp eq i32 %a0, 0
%r = select i1 %c, i32 32, i32 %f
@@ -265,8 +262,7 @@ define i32 @freeze_cttz_undef_nonzero(i32 %a0) nounwind {
; X64-NEXT: movl $32, %eax
; X64-NEXT: cmovnel %ecx, %eax
; X64-NEXT: retq
%f0 = freeze i32 %a0
%y = or i32 %f0, 1
%y = or i32 %a0, 1
%x = call i32 @llvm.cttz.i32(i32 %y, i1 -1)
%f = freeze i32 %x
%c = icmp eq i32 %y, 0