[llvm] r274124 - [X86] Regenerated popcnt combine tests
Simon Pilgrim via llvm-commits
llvm-commits at lists.llvm.org
Wed Jun 29 06:54:03 PDT 2016
Author: rksimon
Date: Wed Jun 29 08:54:03 2016
New Revision: 274124
URL: http://llvm.org/viewvc/llvm-project?rev=274124&view=rev
Log:
[X86] Regenerated popcnt combine tests
Modified:
llvm/trunk/test/CodeGen/X86/ctpop-combine.ll
Modified: llvm/trunk/test/CodeGen/X86/ctpop-combine.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/ctpop-combine.ll?rev=274124&r1=274123&r2=274124&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/ctpop-combine.ll (original)
+++ llvm/trunk/test/CodeGen/X86/ctpop-combine.ll Wed Jun 29 08:54:03 2016
@@ -1,40 +1,50 @@
-; RUN: llc -march=x86-64 -mcpu=corei7 < %s | FileCheck %s
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -mtriple=x86_64-unknown -mcpu=corei7 | FileCheck %s
declare i64 @llvm.ctpop.i64(i64) nounwind readnone
define i32 @test1(i64 %x) nounwind readnone {
+; CHECK-LABEL: test1:
+; CHECK: # BB#0:
+; CHECK-NEXT: leaq -1(%rdi), %rax
+; CHECK-NEXT: testq %rax, %rdi
+; CHECK-NEXT: setne %al
+; CHECK-NEXT: movzbl %al, %eax
+; CHECK-NEXT: retq
%count = tail call i64 @llvm.ctpop.i64(i64 %x)
%cast = trunc i64 %count to i32
%cmp = icmp ugt i32 %cast, 1
%conv = zext i1 %cmp to i32
ret i32 %conv
-; CHECK-LABEL: test1:
-; CHECK: leaq -1([[A0:%rdi|%rcx]])
-; CHECK-NEXT: testq
-; CHECK-NEXT: setne
-; CHECK: ret
}
define i32 @test2(i64 %x) nounwind readnone {
+; CHECK-LABEL: test2:
+; CHECK: # BB#0:
+; CHECK-NEXT: leaq -1(%rdi), %rax
+; CHECK-NEXT: testq %rax, %rdi
+; CHECK-NEXT: sete %al
+; CHECK-NEXT: movzbl %al, %eax
+; CHECK-NEXT: retq
%count = tail call i64 @llvm.ctpop.i64(i64 %x)
%cmp = icmp ult i64 %count, 2
%conv = zext i1 %cmp to i32
ret i32 %conv
-; CHECK-LABEL: test2:
-; CHECK: leaq -1([[A0]])
-; CHECK-NEXT: testq
-; CHECK-NEXT: sete
-; CHECK: ret
}
define i32 @test3(i64 %x) nounwind readnone {
+; CHECK-LABEL: test3:
+; CHECK: # BB#0:
+; CHECK-NEXT: popcntq %rdi, %rax
+; CHECK-NEXT: andb $63, %al
+; CHECK-NEXT: cmpb $2, %al
+; CHECK-NEXT: sbbl %eax, %eax
+; CHECK-NEXT: andl $1, %eax
+; CHECK-NEXT: retq
%count = tail call i64 @llvm.ctpop.i64(i64 %x)
%cast = trunc i64 %count to i6 ; Too small for 0-64
%cmp = icmp ult i6 %cast, 2
%conv = zext i1 %cmp to i32
ret i32 %conv
-; CHECK-LABEL: test3:
-; CHECK: cmpb $2
-; CHECK: ret
}
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