[llvm] r333840 - [X86][BMI] Remove CTTZ tests - this is fully covered in clz.ll

Simon Pilgrim via llvm-commits llvm-commits at lists.llvm.org
Sun Jun 3 06:55:17 PDT 2018


Author: rksimon
Date: Sun Jun  3 06:55:17 2018
New Revision: 333840

URL: http://llvm.org/viewvc/llvm-project?rev=333840&view=rev
Log:
[X86][BMI] Remove CTTZ tests - this is fully covered in clz.ll

Modified:
    llvm/trunk/test/CodeGen/X86/bmi.ll

Modified: llvm/trunk/test/CodeGen/X86/bmi.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/bmi.ll?rev=333840&r1=333839&r2=333840&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/bmi.ll (original)
+++ llvm/trunk/test/CodeGen/X86/bmi.ll Sun Jun  3 06:55:17 2018
@@ -2,98 +2,6 @@
 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+bmi | FileCheck %s --check-prefix=CHECK --check-prefix=BMI1
 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+bmi,+bmi2 | FileCheck %s --check-prefix=CHECK --check-prefix=BMI2
 
-declare i8 @llvm.cttz.i8(i8, i1)
-declare i16 @llvm.cttz.i16(i16, i1)
-declare i32 @llvm.cttz.i32(i32, i1)
-declare i64 @llvm.cttz.i64(i64, i1)
-
-define i8 @t1(i8 %x)   {
-; CHECK-LABEL: t1:
-; CHECK:       # %bb.0:
-; CHECK-NEXT:    movzbl %dil, %eax
-; CHECK-NEXT:    orl $256, %eax # imm = 0x100
-; CHECK-NEXT:    tzcntl %eax, %eax
-; CHECK-NEXT:    # kill: def $al killed $al killed $eax
-; CHECK-NEXT:    retq
-  %tmp = tail call i8 @llvm.cttz.i8( i8 %x, i1 false )
-  ret i8 %tmp
-}
-
-define i16 @t2(i16 %x)   {
-; CHECK-LABEL: t2:
-; CHECK:       # %bb.0:
-; CHECK-NEXT:    tzcntw %di, %ax
-; CHECK-NEXT:    retq
-  %tmp = tail call i16 @llvm.cttz.i16( i16 %x, i1 false )
-  ret i16 %tmp
-}
-
-define i32 @t3(i32 %x)   {
-; CHECK-LABEL: t3:
-; CHECK:       # %bb.0:
-; CHECK-NEXT:    tzcntl %edi, %eax
-; CHECK-NEXT:    retq
-  %tmp = tail call i32 @llvm.cttz.i32( i32 %x, i1 false )
-  ret i32 %tmp
-}
-
-define i32 @tzcnt32_load(i32* %x)   {
-; CHECK-LABEL: tzcnt32_load:
-; CHECK:       # %bb.0:
-; CHECK-NEXT:    tzcntl (%rdi), %eax
-; CHECK-NEXT:    retq
-  %x1 = load i32, i32* %x
-  %tmp = tail call i32 @llvm.cttz.i32(i32 %x1, i1 false )
-  ret i32 %tmp
-}
-
-define i64 @t4(i64 %x)   {
-; CHECK-LABEL: t4:
-; CHECK:       # %bb.0:
-; CHECK-NEXT:    tzcntq %rdi, %rax
-; CHECK-NEXT:    retq
-  %tmp = tail call i64 @llvm.cttz.i64( i64 %x, i1 false )
-  ret i64 %tmp
-}
-
-define i8 @t5(i8 %x)   {
-; CHECK-LABEL: t5:
-; CHECK:       # %bb.0:
-; CHECK-NEXT:    movzbl %dil, %eax
-; CHECK-NEXT:    tzcntl %eax, %eax
-; CHECK-NEXT:    # kill: def $al killed $al killed $eax
-; CHECK-NEXT:    retq
-  %tmp = tail call i8 @llvm.cttz.i8( i8 %x, i1 true )
-  ret i8 %tmp
-}
-
-define i16 @t6(i16 %x)   {
-; CHECK-LABEL: t6:
-; CHECK:       # %bb.0:
-; CHECK-NEXT:    tzcntw %di, %ax
-; CHECK-NEXT:    retq
-  %tmp = tail call i16 @llvm.cttz.i16( i16 %x, i1 true )
-  ret i16 %tmp
-}
-
-define i32 @t7(i32 %x)   {
-; CHECK-LABEL: t7:
-; CHECK:       # %bb.0:
-; CHECK-NEXT:    tzcntl %edi, %eax
-; CHECK-NEXT:    retq
-  %tmp = tail call i32 @llvm.cttz.i32( i32 %x, i1 true )
-  ret i32 %tmp
-}
-
-define i64 @t8(i64 %x)   {
-; CHECK-LABEL: t8:
-; CHECK:       # %bb.0:
-; CHECK-NEXT:    tzcntq %rdi, %rax
-; CHECK-NEXT:    retq
-  %tmp = tail call i64 @llvm.cttz.i64( i64 %x, i1 true )
-  ret i64 %tmp
-}
-
 define i32 @andn32(i32 %x, i32 %y)   {
 ; CHECK-LABEL: andn32:
 ; CHECK:       # %bb.0:




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