diff options
Diffstat (limited to 'llvm/test/Transforms/LoopStrengthReduce/X86/macro-fuse-cmp.ll')
| -rw-r--r-- | llvm/test/Transforms/LoopStrengthReduce/X86/macro-fuse-cmp.ll | 40 |
1 files changed, 18 insertions, 22 deletions
diff --git a/llvm/test/Transforms/LoopStrengthReduce/X86/macro-fuse-cmp.ll b/llvm/test/Transforms/LoopStrengthReduce/X86/macro-fuse-cmp.ll index 219aed4b836..ba0da164916 100644 --- a/llvm/test/Transforms/LoopStrengthReduce/X86/macro-fuse-cmp.ll +++ b/llvm/test/Transforms/LoopStrengthReduce/X86/macro-fuse-cmp.ll @@ -43,27 +43,22 @@ define void @maxArray(double* noalias nocapture %x, double* noalias nocapture re ; ; HSW-LABEL: @maxArray( ; HSW-NEXT: entry: -; HSW-NEXT: [[Y1:%.*]] = bitcast double* [[Y:%.*]] to i8* -; HSW-NEXT: [[X3:%.*]] = bitcast double* [[X:%.*]] to i8* ; HSW-NEXT: br label [[VECTOR_BODY:%.*]] ; HSW: vector.body: -; HSW-NEXT: [[LSR_IV:%.*]] = phi i64 [ [[LSR_IV_NEXT:%.*]], [[VECTOR_BODY]] ], [ -524288, [[ENTRY:%.*]] ] -; HSW-NEXT: [[UGLYGEP7:%.*]] = getelementptr i8, i8* [[X3]], i64 [[LSR_IV]] -; HSW-NEXT: [[UGLYGEP78:%.*]] = bitcast i8* [[UGLYGEP7]] to <2 x double>* -; HSW-NEXT: [[SCEVGEP9:%.*]] = getelementptr <2 x double>, <2 x double>* [[UGLYGEP78]], i64 32768 -; HSW-NEXT: [[UGLYGEP:%.*]] = getelementptr i8, i8* [[Y1]], i64 [[LSR_IV]] -; HSW-NEXT: [[UGLYGEP2:%.*]] = bitcast i8* [[UGLYGEP]] to <2 x double>* -; HSW-NEXT: [[SCEVGEP:%.*]] = getelementptr <2 x double>, <2 x double>* [[UGLYGEP2]], i64 32768 -; HSW-NEXT: [[XVAL:%.*]] = load <2 x double>, <2 x double>* [[SCEVGEP9]], align 8 -; HSW-NEXT: [[YVAL:%.*]] = load <2 x double>, <2 x double>* [[SCEVGEP]], align 8 +; HSW-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] +; HSW-NEXT: [[SCEVGEP4:%.*]] = getelementptr double, double* [[X:%.*]], i64 [[INDEX]] +; HSW-NEXT: [[SCEVGEP45:%.*]] = bitcast double* [[SCEVGEP4]] to <2 x double>* +; HSW-NEXT: [[SCEVGEP:%.*]] = getelementptr double, double* [[Y:%.*]], i64 [[INDEX]] +; HSW-NEXT: [[SCEVGEP1:%.*]] = bitcast double* [[SCEVGEP]] to <2 x double>* +; HSW-NEXT: [[XVAL:%.*]] = load <2 x double>, <2 x double>* [[SCEVGEP45]], align 8 +; HSW-NEXT: [[YVAL:%.*]] = load <2 x double>, <2 x double>* [[SCEVGEP1]], align 8 ; HSW-NEXT: [[CMP:%.*]] = fcmp ogt <2 x double> [[YVAL]], [[XVAL]] ; HSW-NEXT: [[MAX:%.*]] = select <2 x i1> [[CMP]], <2 x double> [[YVAL]], <2 x double> [[XVAL]] -; HSW-NEXT: [[UGLYGEP4:%.*]] = getelementptr i8, i8* [[X3]], i64 [[LSR_IV]] -; HSW-NEXT: [[UGLYGEP45:%.*]] = bitcast i8* [[UGLYGEP4]] to <2 x double>* -; HSW-NEXT: [[SCEVGEP6:%.*]] = getelementptr <2 x double>, <2 x double>* [[UGLYGEP45]], i64 32768 -; HSW-NEXT: store <2 x double> [[MAX]], <2 x double>* [[SCEVGEP6]], align 8 -; HSW-NEXT: [[LSR_IV_NEXT]] = add nsw i64 [[LSR_IV]], 16 -; HSW-NEXT: [[DONE:%.*]] = icmp eq i64 [[LSR_IV_NEXT]], 0 +; HSW-NEXT: [[SCEVGEP2:%.*]] = getelementptr double, double* [[X]], i64 [[INDEX]] +; HSW-NEXT: [[SCEVGEP23:%.*]] = bitcast double* [[SCEVGEP2]] to <2 x double>* +; HSW-NEXT: store <2 x double> [[MAX]], <2 x double>* [[SCEVGEP23]], align 8 +; HSW-NEXT: [[INDEX_NEXT]] = add i64 [[INDEX]], 2 +; HSW-NEXT: [[DONE:%.*]] = icmp eq i64 [[INDEX_NEXT]], 65536 ; HSW-NEXT: br i1 [[DONE]], label [[EXIT:%.*]], label [[VECTOR_BODY]] ; HSW: exit: ; HSW-NEXT: ret void @@ -85,15 +80,16 @@ define void @maxArray(double* noalias nocapture %x, double* noalias nocapture re ; ; FUSE-LABEL: maxArray: ; FUSE: # %bb.0: # %entry -; FUSE-NEXT: movq $-524288, %rax # imm = 0xFFF80000 +; FUSE-NEXT: xorl %eax, %eax ; FUSE-NEXT: .p2align 4, 0x90 ; FUSE-NEXT: .LBB0_1: # %vector.body ; FUSE-NEXT: # =>This Inner Loop Header: Depth=1 -; FUSE-NEXT: movupd 524288(%rdi,%rax), %xmm0 -; FUSE-NEXT: movupd 524288(%rsi,%rax), %xmm1 +; FUSE-NEXT: movupd (%rdi,%rax,8), %xmm0 +; FUSE-NEXT: movupd (%rsi,%rax,8), %xmm1 ; FUSE-NEXT: maxpd %xmm0, %xmm1 -; FUSE-NEXT: movupd %xmm1, 524288(%rdi,%rax) -; FUSE-NEXT: addq $16, %rax +; FUSE-NEXT: movupd %xmm1, (%rdi,%rax,8) +; FUSE-NEXT: addq $2, %rax +; FUSE-NEXT: cmpq $65536, %rax # imm = 0x10000 ; FUSE-NEXT: jne .LBB0_1 ; FUSE-NEXT: # %bb.2: # %exit ; FUSE-NEXT: retq |
