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Revert r307064, "[InstCombine] Add test cases demonstrating creation of extra bswap instrinsic calls when when optimizing bswap and bitwise ops when the bswaps have additional uses. NFC" 

Seems confused between %tmpN and unnamed %N to give same name.

llvm-svn: 307070
This commit is contained in:
NAKAMURA Takumi 2017-07-04 12:13:27 +00:00
parent 501efda909
commit ff1d5aefe3
1 changed files with 0 additions and 63 deletions
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63
llvm/test/Transforms/InstCombine/bswap-fold.ll
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@ -1,4 +1,3 @@
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -instcombine -S | FileCheck %s
; rdar://5992453
@ -281,68 +280,6 @@ define <2 x i32> @bs_xor32ivec(<2 x i32> %a, <2 x i32> %b) #0 {
ret <2 x i32> %tmp2
}
define i64 @bs_and64_multiuse1(i64 %a, i64 %b) #0 {
; CHECK-LABEL: @bs_and64_multiuse1(
; CHECK-NEXT: [[TMP1:%.*]] = tail call i64 @llvm.bswap.i64(i64 [[A:%.*]])
; CHECK-NEXT: [[TMP2:%.*]] = tail call i64 @llvm.bswap.i64(i64 [[B:%.*]])
; CHECK-NEXT: [[TMP1:%.*]] = and i64 [[A]], [[B]]
; CHECK-NEXT: [[TMP2:%.*]] = call i64 @llvm.bswap.i64(i64 [[TMP1]])
; CHECK-NEXT: [[TMP4:%.*]] = mul i64 [[TMP2]], [[TMP1]]
; CHECK-NEXT: [[TMP5:%.*]] = mul i64 [[TMP4]], [[TMP2]]
; CHECK-NEXT: ret i64 [[TMP5]]
;
%tmp1 = tail call i64 @llvm.bswap.i64(i64 %a)
%tmp2 = tail call i64 @llvm.bswap.i64(i64 %b)
%tmp3 = and i64 %tmp1, %tmp2
%tmp4 = mul i64 %tmp3, %tmp1 ; to increase use count of the bswaps
%tmp5 = mul i64 %tmp4, %tmp2 ; to increase use count of the bswaps
ret i64 %tmp5
}
define i64 @bs_and64_multiuse2(i64 %a, i64 %b) #0 {
; CHECK-LABEL: @bs_and64_multiuse2(
; CHECK-NEXT: [[TMP1:%.*]] = tail call i64 @llvm.bswap.i64(i64 [[A:%.*]])
; CHECK-NEXT: [[TMP1:%.*]] = and i64 [[A]], [[B:%.*]]
; CHECK-NEXT: [[TMP2:%.*]] = call i64 @llvm.bswap.i64(i64 [[TMP1]])
; CHECK-NEXT: [[TMP4:%.*]] = mul i64 [[TMP2]], [[TMP1]]
; CHECK-NEXT: ret i64 [[TMP4]]
;
%tmp1 = tail call i64 @llvm.bswap.i64(i64 %a)
%tmp2 = tail call i64 @llvm.bswap.i64(i64 %b)
%tmp3 = and i64 %tmp1, %tmp2
%tmp4 = mul i64 %tmp3, %tmp1 ; to increase use count of the bswaps
ret i64 %tmp4
}
define i64 @bs_and64_multiuse3(i64 %a, i64 %b) #0 {
; CHECK-LABEL: @bs_and64_multiuse3(
; CHECK-NEXT: [[TMP2:%.*]] = tail call i64 @llvm.bswap.i64(i64 [[B:%.*]])
; CHECK-NEXT: [[TMP1:%.*]] = and i64 [[A:%.*]], [[B]]
; CHECK-NEXT: [[TMP2:%.*]] = call i64 @llvm.bswap.i64(i64 [[TMP1]])
; CHECK-NEXT: [[TMP4:%.*]] = mul i64 [[TMP2]], [[TMP2]]
; CHECK-NEXT: ret i64 [[TMP4]]
;
%tmp1 = tail call i64 @llvm.bswap.i64(i64 %a)
%tmp2 = tail call i64 @llvm.bswap.i64(i64 %b)
%tmp3 = and i64 %tmp1, %tmp2
%tmp4 = mul i64 %tmp3, %tmp2 ; to increase use count of the bswaps
ret i64 %tmp4
}
define i64 @bs_and64i_multiuse(i64 %a, i64 %b) #0 {
; CHECK-LABEL: @bs_and64i_multiuse(
; CHECK-NEXT: [[TMP1:%.*]] = tail call i64 @llvm.bswap.i64(i64 [[A:%.*]])
; CHECK-NEXT: [[TMP1:%.*]] = and i64 [[A]], 129085117527228416
; CHECK-NEXT: [[TMP2:%.*]] = call i64 @llvm.bswap.i64(i64 [[TMP1]])
; CHECK-NEXT: [[TMP3:%.*]] = mul i64 [[TMP2]], [[TMP1]]
; CHECK-NEXT: ret i64 [[TMP3]]
;
%tmp1 = tail call i64 @llvm.bswap.i64(i64 %a)
%tmp2 = and i64 %tmp1, 1000000001
%tmp3 = mul i64 %tmp2, %tmp1 ; to increase use count of the bswap
ret i64 %tmp3
}
declare i16 @llvm.bswap.i16(i16)
declare i32 @llvm.bswap.i32(i32)
declare i64 @llvm.bswap.i64(i64)