[llvm] 2d35b56 - [X86] bsf.ll - add icmp_ne coverage to bsf passthrough tests
Simon Pilgrim via llvm-commits
llvm-commits at lists.llvm.org
Thu Jun 12 01:28:15 PDT 2025
Author: Simon Pilgrim
Date: 2025-06-12T09:27:24+01:00
New Revision: 2d35b568ef949717e35df664d4d9352eddbffbfd
URL: https://github.com/llvm/llvm-project/commit/2d35b568ef949717e35df664d4d9352eddbffbfd
DIFF: https://github.com/llvm/llvm-project/commit/2d35b568ef949717e35df664d4d9352eddbffbfd.diff
LOG: [X86] bsf.ll - add icmp_ne coverage to bsf passthrough tests
Added:
Modified:
llvm/test/CodeGen/X86/bsf.ll
Removed:
################################################################################
diff --git a/llvm/test/CodeGen/X86/bsf.ll b/llvm/test/CodeGen/X86/bsf.ll
index 58929115baf54..312f94c041235 100644
--- a/llvm/test/CodeGen/X86/bsf.ll
+++ b/llvm/test/CodeGen/X86/bsf.ll
@@ -38,13 +38,13 @@ define i8 @cmov_bsf8_undef(i8 %x, i8 %y) nounwind {
; X86: # %bb.0:
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
; X86-NEXT: testb %al, %al
-; X86-NEXT: je .LBB1_1
+; X86-NEXT: jne .LBB1_1
; X86-NEXT: # %bb.2:
-; X86-NEXT: rep bsfl %eax, %eax
+; X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax
; X86-NEXT: # kill: def $al killed $al killed $eax
; X86-NEXT: retl
; X86-NEXT: .LBB1_1:
-; X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: rep bsfl %eax, %eax
; X86-NEXT: # kill: def $al killed $al killed $eax
; X86-NEXT: retl
;
@@ -56,8 +56,8 @@ define i8 @cmov_bsf8_undef(i8 %x, i8 %y) nounwind {
; X64-NEXT: # kill: def $al killed $al killed $eax
; X64-NEXT: retq
%1 = tail call i8 @llvm.cttz.i8(i8 %x, i1 true)
- %2 = icmp eq i8 %x, 0
- %3 = select i1 %2, i8 %y, i8 %1
+ %2 = icmp ne i8 %x, 0
+ %3 = select i1 %2, i8 %1, i8 %y
ret i8 %3
}
@@ -66,14 +66,14 @@ define i16 @cmov_bsf16(i16 %x, i16 %y) nounwind {
; X86: # %bb.0:
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
; X86-NEXT: testw %ax, %ax
-; X86-NEXT: je .LBB2_1
+; X86-NEXT: jne .LBB2_1
; X86-NEXT: # %bb.2:
-; X86-NEXT: orl $65536, %eax # imm = 0x10000
-; X86-NEXT: rep bsfl %eax, %eax
+; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax
; X86-NEXT: # kill: def $ax killed $ax killed $eax
; X86-NEXT: retl
; X86-NEXT: .LBB2_1:
-; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: orl $65536, %eax # imm = 0x10000
+; X86-NEXT: rep bsfl %eax, %eax
; X86-NEXT: # kill: def $ax killed $ax killed $eax
; X86-NEXT: retl
;
@@ -87,8 +87,8 @@ define i16 @cmov_bsf16(i16 %x, i16 %y) nounwind {
; X64-NEXT: # kill: def $ax killed $ax killed $eax
; X64-NEXT: retq
%1 = tail call i16 @llvm.cttz.i16(i16 %x, i1 false)
- %2 = icmp eq i16 %x, 0
- %3 = select i1 %2, i16 %y, i16 %1
+ %2 = icmp ne i16 %x, 0
+ %3 = select i1 %2, i16 %1, i16 %y
ret i16 %3
}
@@ -157,12 +157,12 @@ define i32 @cmov_bsf32_undef(i32 %x, i32 %y) nounwind {
; X86: # %bb.0:
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
; X86-NEXT: testl %eax, %eax
-; X86-NEXT: je .LBB5_1
+; X86-NEXT: jne .LBB5_1
; X86-NEXT: # %bb.2:
-; X86-NEXT: rep bsfl %eax, %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
; X86-NEXT: retl
; X86-NEXT: .LBB5_1:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: rep bsfl %eax, %eax
; X86-NEXT: retl
;
; X64-LABEL: cmov_bsf32_undef:
@@ -171,8 +171,8 @@ define i32 @cmov_bsf32_undef(i32 %x, i32 %y) nounwind {
; X64-NEXT: cmovel %esi, %eax
; X64-NEXT: retq
%1 = tail call i32 @llvm.cttz.i32(i32 %x, i1 true)
- %2 = icmp eq i32 %x, 0
- %3 = select i1 %2, i32 %y, i32 %1
+ %2 = icmp ne i32 %x, 0
+ %3 = select i1 %2, i32 %1, i32 %y
ret i32 %3
}
@@ -199,7 +199,7 @@ define i64 @cmov_bsf64(i64 %x, i64 %y) nounwind {
; X86-NEXT: movl $64, %eax
; X86-NEXT: orl %ecx, %esi
; X86-NEXT: jne .LBB6_7
-; X86-NEXT: .LBB6_6:
+; X86-NEXT: .LBB6_6: # %cond.end
; X86-NEXT: movl {{[0-9]+}}(%esp), %edx
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
; X86-NEXT: .LBB6_7: # %cond.end
@@ -218,8 +218,8 @@ define i64 @cmov_bsf64(i64 %x, i64 %y) nounwind {
; X64-NEXT: cmoveq %rsi, %rax
; X64-NEXT: retq
%1 = tail call i64 @llvm.cttz.i64(i64 %x, i1 false)
- %2 = icmp eq i64 %x, 0
- %3 = select i1 %2, i64 %y, i64 %1
+ %2 = icmp ne i64 %x, 0
+ %3 = select i1 %2, i64 %1, i64 %y
ret i64 %3
}
@@ -375,10 +375,10 @@ define i128 @cmov_bsf128_undef(i128 %x, i128 %y) nounwind {
; X86-NEXT: orl %ebx, %ebp
; X86-NEXT: orl %edi, %ebp
; X86-NEXT: je .LBB9_11
-; X86-NEXT: # %bb.1: # %select.false.sink
+; X86-NEXT: # %bb.1: # %select.true.sink
; X86-NEXT: testl %edx, %edx
; X86-NEXT: jne .LBB9_2
-; X86-NEXT: # %bb.3: # %select.false.sink
+; X86-NEXT: # %bb.3: # %select.true.sink
; X86-NEXT: rep bsfl %ecx, %edi
; X86-NEXT: addl $32, %edi
; X86-NEXT: testl %ebx, %ebx
@@ -402,20 +402,20 @@ define i128 @cmov_bsf128_undef(i128 %x, i128 %y) nounwind {
; X86-NEXT: rep bsfl %edx, %edi
; X86-NEXT: testl %ebx, %ebx
; X86-NEXT: jne .LBB9_5
-; X86-NEXT: .LBB9_6: # %select.false.sink
+; X86-NEXT: .LBB9_6: # %select.true.sink
; X86-NEXT: rep bsfl %esi, %esi
; X86-NEXT: addl $32, %esi
; X86-NEXT: orl %ecx, %edx
; X86-NEXT: jne .LBB9_9
-; X86-NEXT: .LBB9_8: # %select.false.sink
+; X86-NEXT: .LBB9_8: # %select.true.sink
; X86-NEXT: addl $64, %esi
; X86-NEXT: movl %esi, %edi
-; X86-NEXT: .LBB9_9: # %select.false.sink
+; X86-NEXT: .LBB9_9: # %select.true.sink
; X86-NEXT: movl %edi, (%eax)
; X86-NEXT: movl $0, 12(%eax)
; X86-NEXT: movl $0, 8(%eax)
; X86-NEXT: movl $0, 4(%eax)
-; X86-NEXT: .LBB9_10: # %select.false.sink
+; X86-NEXT: .LBB9_10: # %select.true.sink
; X86-NEXT: popl %esi
; X86-NEXT: popl %edi
; X86-NEXT: popl %ebx
@@ -427,7 +427,7 @@ define i128 @cmov_bsf128_undef(i128 %x, i128 %y) nounwind {
; X64-NEXT: movq %rdi, %rax
; X64-NEXT: orq %rsi, %rax
; X64-NEXT: je .LBB9_2
-; X64-NEXT: # %bb.1: # %select.false.sink
+; X64-NEXT: # %bb.1: # %select.true.sink
; X64-NEXT: rep bsfq %rdi, %rcx
; X64-NEXT: rep bsfq %rsi, %rax
; X64-NEXT: addq $64, %rax
@@ -440,8 +440,8 @@ define i128 @cmov_bsf128_undef(i128 %x, i128 %y) nounwind {
; X64-NEXT: movq %rcx, %rdx
; X64-NEXT: retq
%1 = tail call i128 @llvm.cttz.i128(i128 %x, i1 true)
- %2 = icmp eq i128 %x, 0
- %3 = select i1 %2, i128 %y, i128 %1
+ %2 = icmp ne i128 %x, 0
+ %3 = select i1 %2, i128 %1, i128 %y
ret i128 %3
}
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