| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 < %s -loop-vectorize -dce -instcombine -S | FileCheck -check-prefix=GFX9 %s |
| ; RUN: opt -mtriple=amdgcn-amd-amdhsa -mcpu=fiji < %s -loop-vectorize -dce -instcombine -S | FileCheck -check-prefix=VI %s |
| ; RUN: opt -mtriple=amdgcn-amd-amdhsa -mcpu=hawaii < %s -loop-vectorize -dce -instcombine -S | FileCheck -check-prefix=CI %s |
| |
| define half @vectorize_v2f16_loop(half addrspace(1)* noalias %s) { |
| ; GFX9-LABEL: @vectorize_v2f16_loop( |
| ; GFX9-NEXT: entry: |
| ; GFX9-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] |
| ; GFX9: vector.ph: |
| ; GFX9-NEXT: br label [[VECTOR_BODY:%.*]] |
| ; GFX9: vector.body: |
| ; GFX9-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] |
| ; GFX9-NEXT: [[VEC_PHI:%.*]] = phi <2 x half> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP16:%.*]], [[VECTOR_BODY]] ] |
| ; GFX9-NEXT: [[VEC_PHI1:%.*]] = phi <2 x half> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP17:%.*]], [[VECTOR_BODY]] ] |
| ; GFX9-NEXT: [[VEC_PHI2:%.*]] = phi <2 x half> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP18:%.*]], [[VECTOR_BODY]] ] |
| ; GFX9-NEXT: [[VEC_PHI3:%.*]] = phi <2 x half> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP19:%.*]], [[VECTOR_BODY]] ] |
| ; GFX9-NEXT: [[VEC_PHI4:%.*]] = phi <2 x half> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP20:%.*]], [[VECTOR_BODY]] ] |
| ; GFX9-NEXT: [[VEC_PHI5:%.*]] = phi <2 x half> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP21:%.*]], [[VECTOR_BODY]] ] |
| ; GFX9-NEXT: [[VEC_PHI6:%.*]] = phi <2 x half> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP22:%.*]], [[VECTOR_BODY]] ] |
| ; GFX9-NEXT: [[VEC_PHI7:%.*]] = phi <2 x half> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP23:%.*]], [[VECTOR_BODY]] ] |
| ; GFX9-NEXT: [[TMP0:%.*]] = getelementptr inbounds half, half addrspace(1)* [[S:%.*]], i64 [[INDEX]] |
| ; GFX9-NEXT: [[TMP1:%.*]] = bitcast half addrspace(1)* [[TMP0]] to <2 x half> addrspace(1)* |
| ; GFX9-NEXT: [[WIDE_LOAD:%.*]] = load <2 x half>, <2 x half> addrspace(1)* [[TMP1]], align 2 |
| ; GFX9-NEXT: [[TMP2:%.*]] = getelementptr inbounds half, half addrspace(1)* [[TMP0]], i64 2 |
| ; GFX9-NEXT: [[TMP3:%.*]] = bitcast half addrspace(1)* [[TMP2]] to <2 x half> addrspace(1)* |
| ; GFX9-NEXT: [[WIDE_LOAD8:%.*]] = load <2 x half>, <2 x half> addrspace(1)* [[TMP3]], align 2 |
| ; GFX9-NEXT: [[TMP4:%.*]] = getelementptr inbounds half, half addrspace(1)* [[TMP0]], i64 4 |
| ; GFX9-NEXT: [[TMP5:%.*]] = bitcast half addrspace(1)* [[TMP4]] to <2 x half> addrspace(1)* |
| ; GFX9-NEXT: [[WIDE_LOAD9:%.*]] = load <2 x half>, <2 x half> addrspace(1)* [[TMP5]], align 2 |
| ; GFX9-NEXT: [[TMP6:%.*]] = getelementptr inbounds half, half addrspace(1)* [[TMP0]], i64 6 |
| ; GFX9-NEXT: [[TMP7:%.*]] = bitcast half addrspace(1)* [[TMP6]] to <2 x half> addrspace(1)* |
| ; GFX9-NEXT: [[WIDE_LOAD10:%.*]] = load <2 x half>, <2 x half> addrspace(1)* [[TMP7]], align 2 |
| ; GFX9-NEXT: [[TMP8:%.*]] = getelementptr inbounds half, half addrspace(1)* [[TMP0]], i64 8 |
| ; GFX9-NEXT: [[TMP9:%.*]] = bitcast half addrspace(1)* [[TMP8]] to <2 x half> addrspace(1)* |
| ; GFX9-NEXT: [[WIDE_LOAD11:%.*]] = load <2 x half>, <2 x half> addrspace(1)* [[TMP9]], align 2 |
| ; GFX9-NEXT: [[TMP10:%.*]] = getelementptr inbounds half, half addrspace(1)* [[TMP0]], i64 10 |
| ; GFX9-NEXT: [[TMP11:%.*]] = bitcast half addrspace(1)* [[TMP10]] to <2 x half> addrspace(1)* |
| ; GFX9-NEXT: [[WIDE_LOAD12:%.*]] = load <2 x half>, <2 x half> addrspace(1)* [[TMP11]], align 2 |
| ; GFX9-NEXT: [[TMP12:%.*]] = getelementptr inbounds half, half addrspace(1)* [[TMP0]], i64 12 |
| ; GFX9-NEXT: [[TMP13:%.*]] = bitcast half addrspace(1)* [[TMP12]] to <2 x half> addrspace(1)* |
| ; GFX9-NEXT: [[WIDE_LOAD13:%.*]] = load <2 x half>, <2 x half> addrspace(1)* [[TMP13]], align 2 |
| ; GFX9-NEXT: [[TMP14:%.*]] = getelementptr inbounds half, half addrspace(1)* [[TMP0]], i64 14 |
| ; GFX9-NEXT: [[TMP15:%.*]] = bitcast half addrspace(1)* [[TMP14]] to <2 x half> addrspace(1)* |
| ; GFX9-NEXT: [[WIDE_LOAD14:%.*]] = load <2 x half>, <2 x half> addrspace(1)* [[TMP15]], align 2 |
| ; GFX9-NEXT: [[TMP16]] = fadd fast <2 x half> [[VEC_PHI]], [[WIDE_LOAD]] |
| ; GFX9-NEXT: [[TMP17]] = fadd fast <2 x half> [[VEC_PHI1]], [[WIDE_LOAD8]] |
| ; GFX9-NEXT: [[TMP18]] = fadd fast <2 x half> [[VEC_PHI2]], [[WIDE_LOAD9]] |
| ; GFX9-NEXT: [[TMP19]] = fadd fast <2 x half> [[VEC_PHI3]], [[WIDE_LOAD10]] |
| ; GFX9-NEXT: [[TMP20]] = fadd fast <2 x half> [[VEC_PHI4]], [[WIDE_LOAD11]] |
| ; GFX9-NEXT: [[TMP21]] = fadd fast <2 x half> [[VEC_PHI5]], [[WIDE_LOAD12]] |
| ; GFX9-NEXT: [[TMP22]] = fadd fast <2 x half> [[VEC_PHI6]], [[WIDE_LOAD13]] |
| ; GFX9-NEXT: [[TMP23]] = fadd fast <2 x half> [[VEC_PHI7]], [[WIDE_LOAD14]] |
| ; GFX9-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 16 |
| ; GFX9-NEXT: [[TMP24:%.*]] = icmp eq i64 [[INDEX_NEXT]], 256 |
| ; GFX9-NEXT: br i1 [[TMP24]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]] |
| ; GFX9: middle.block: |
| ; GFX9-NEXT: [[BIN_RDX:%.*]] = fadd fast <2 x half> [[TMP17]], [[TMP16]] |
| ; GFX9-NEXT: [[BIN_RDX15:%.*]] = fadd fast <2 x half> [[TMP18]], [[BIN_RDX]] |
| ; GFX9-NEXT: [[BIN_RDX16:%.*]] = fadd fast <2 x half> [[TMP19]], [[BIN_RDX15]] |
| ; GFX9-NEXT: [[BIN_RDX17:%.*]] = fadd fast <2 x half> [[TMP20]], [[BIN_RDX16]] |
| ; GFX9-NEXT: [[BIN_RDX18:%.*]] = fadd fast <2 x half> [[TMP21]], [[BIN_RDX17]] |
| ; GFX9-NEXT: [[BIN_RDX19:%.*]] = fadd fast <2 x half> [[TMP22]], [[BIN_RDX18]] |
| ; GFX9-NEXT: [[BIN_RDX20:%.*]] = fadd fast <2 x half> [[TMP23]], [[BIN_RDX19]] |
| ; GFX9-NEXT: [[TMP25:%.*]] = call fast half @llvm.vector.reduce.fadd.v2f16(half 0xH8000, <2 x half> [[BIN_RDX20]]) |
| ; GFX9-NEXT: br i1 true, label [[FOR_END:%.*]], label [[SCALAR_PH]] |
| ; GFX9: scalar.ph: |
| ; GFX9-NEXT: br label [[FOR_BODY:%.*]] |
| ; GFX9: for.body: |
| ; GFX9-NEXT: br i1 undef, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP2:![0-9]+]] |
| ; GFX9: for.end: |
| ; GFX9-NEXT: [[ADD_LCSSA:%.*]] = phi half [ undef, [[FOR_BODY]] ], [ [[TMP25]], [[MIDDLE_BLOCK]] ] |
| ; GFX9-NEXT: ret half [[ADD_LCSSA]] |
| ; |
| ; VI-LABEL: @vectorize_v2f16_loop( |
| ; VI-NEXT: entry: |
| ; VI-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] |
| ; VI: vector.ph: |
| ; VI-NEXT: br label [[VECTOR_BODY:%.*]] |
| ; VI: vector.body: |
| ; VI-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] |
| ; VI-NEXT: [[VEC_PHI:%.*]] = phi <2 x half> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP16:%.*]], [[VECTOR_BODY]] ] |
| ; VI-NEXT: [[VEC_PHI1:%.*]] = phi <2 x half> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP17:%.*]], [[VECTOR_BODY]] ] |
| ; VI-NEXT: [[VEC_PHI2:%.*]] = phi <2 x half> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP18:%.*]], [[VECTOR_BODY]] ] |
| ; VI-NEXT: [[VEC_PHI3:%.*]] = phi <2 x half> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP19:%.*]], [[VECTOR_BODY]] ] |
| ; VI-NEXT: [[VEC_PHI4:%.*]] = phi <2 x half> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP20:%.*]], [[VECTOR_BODY]] ] |
| ; VI-NEXT: [[VEC_PHI5:%.*]] = phi <2 x half> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP21:%.*]], [[VECTOR_BODY]] ] |
| ; VI-NEXT: [[VEC_PHI6:%.*]] = phi <2 x half> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP22:%.*]], [[VECTOR_BODY]] ] |
| ; VI-NEXT: [[VEC_PHI7:%.*]] = phi <2 x half> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP23:%.*]], [[VECTOR_BODY]] ] |
| ; VI-NEXT: [[TMP0:%.*]] = getelementptr inbounds half, half addrspace(1)* [[S:%.*]], i64 [[INDEX]] |
| ; VI-NEXT: [[TMP1:%.*]] = bitcast half addrspace(1)* [[TMP0]] to <2 x half> addrspace(1)* |
| ; VI-NEXT: [[WIDE_LOAD:%.*]] = load <2 x half>, <2 x half> addrspace(1)* [[TMP1]], align 2 |
| ; VI-NEXT: [[TMP2:%.*]] = getelementptr inbounds half, half addrspace(1)* [[TMP0]], i64 2 |
| ; VI-NEXT: [[TMP3:%.*]] = bitcast half addrspace(1)* [[TMP2]] to <2 x half> addrspace(1)* |
| ; VI-NEXT: [[WIDE_LOAD8:%.*]] = load <2 x half>, <2 x half> addrspace(1)* [[TMP3]], align 2 |
| ; VI-NEXT: [[TMP4:%.*]] = getelementptr inbounds half, half addrspace(1)* [[TMP0]], i64 4 |
| ; VI-NEXT: [[TMP5:%.*]] = bitcast half addrspace(1)* [[TMP4]] to <2 x half> addrspace(1)* |
| ; VI-NEXT: [[WIDE_LOAD9:%.*]] = load <2 x half>, <2 x half> addrspace(1)* [[TMP5]], align 2 |
| ; VI-NEXT: [[TMP6:%.*]] = getelementptr inbounds half, half addrspace(1)* [[TMP0]], i64 6 |
| ; VI-NEXT: [[TMP7:%.*]] = bitcast half addrspace(1)* [[TMP6]] to <2 x half> addrspace(1)* |
| ; VI-NEXT: [[WIDE_LOAD10:%.*]] = load <2 x half>, <2 x half> addrspace(1)* [[TMP7]], align 2 |
| ; VI-NEXT: [[TMP8:%.*]] = getelementptr inbounds half, half addrspace(1)* [[TMP0]], i64 8 |
| ; VI-NEXT: [[TMP9:%.*]] = bitcast half addrspace(1)* [[TMP8]] to <2 x half> addrspace(1)* |
| ; VI-NEXT: [[WIDE_LOAD11:%.*]] = load <2 x half>, <2 x half> addrspace(1)* [[TMP9]], align 2 |
| ; VI-NEXT: [[TMP10:%.*]] = getelementptr inbounds half, half addrspace(1)* [[TMP0]], i64 10 |
| ; VI-NEXT: [[TMP11:%.*]] = bitcast half addrspace(1)* [[TMP10]] to <2 x half> addrspace(1)* |
| ; VI-NEXT: [[WIDE_LOAD12:%.*]] = load <2 x half>, <2 x half> addrspace(1)* [[TMP11]], align 2 |
| ; VI-NEXT: [[TMP12:%.*]] = getelementptr inbounds half, half addrspace(1)* [[TMP0]], i64 12 |
| ; VI-NEXT: [[TMP13:%.*]] = bitcast half addrspace(1)* [[TMP12]] to <2 x half> addrspace(1)* |
| ; VI-NEXT: [[WIDE_LOAD13:%.*]] = load <2 x half>, <2 x half> addrspace(1)* [[TMP13]], align 2 |
| ; VI-NEXT: [[TMP14:%.*]] = getelementptr inbounds half, half addrspace(1)* [[TMP0]], i64 14 |
| ; VI-NEXT: [[TMP15:%.*]] = bitcast half addrspace(1)* [[TMP14]] to <2 x half> addrspace(1)* |
| ; VI-NEXT: [[WIDE_LOAD14:%.*]] = load <2 x half>, <2 x half> addrspace(1)* [[TMP15]], align 2 |
| ; VI-NEXT: [[TMP16]] = fadd fast <2 x half> [[VEC_PHI]], [[WIDE_LOAD]] |
| ; VI-NEXT: [[TMP17]] = fadd fast <2 x half> [[VEC_PHI1]], [[WIDE_LOAD8]] |
| ; VI-NEXT: [[TMP18]] = fadd fast <2 x half> [[VEC_PHI2]], [[WIDE_LOAD9]] |
| ; VI-NEXT: [[TMP19]] = fadd fast <2 x half> [[VEC_PHI3]], [[WIDE_LOAD10]] |
| ; VI-NEXT: [[TMP20]] = fadd fast <2 x half> [[VEC_PHI4]], [[WIDE_LOAD11]] |
| ; VI-NEXT: [[TMP21]] = fadd fast <2 x half> [[VEC_PHI5]], [[WIDE_LOAD12]] |
| ; VI-NEXT: [[TMP22]] = fadd fast <2 x half> [[VEC_PHI6]], [[WIDE_LOAD13]] |
| ; VI-NEXT: [[TMP23]] = fadd fast <2 x half> [[VEC_PHI7]], [[WIDE_LOAD14]] |
| ; VI-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 16 |
| ; VI-NEXT: [[TMP24:%.*]] = icmp eq i64 [[INDEX_NEXT]], 256 |
| ; VI-NEXT: br i1 [[TMP24]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]] |
| ; VI: middle.block: |
| ; VI-NEXT: [[BIN_RDX:%.*]] = fadd fast <2 x half> [[TMP17]], [[TMP16]] |
| ; VI-NEXT: [[BIN_RDX15:%.*]] = fadd fast <2 x half> [[TMP18]], [[BIN_RDX]] |
| ; VI-NEXT: [[BIN_RDX16:%.*]] = fadd fast <2 x half> [[TMP19]], [[BIN_RDX15]] |
| ; VI-NEXT: [[BIN_RDX17:%.*]] = fadd fast <2 x half> [[TMP20]], [[BIN_RDX16]] |
| ; VI-NEXT: [[BIN_RDX18:%.*]] = fadd fast <2 x half> [[TMP21]], [[BIN_RDX17]] |
| ; VI-NEXT: [[BIN_RDX19:%.*]] = fadd fast <2 x half> [[TMP22]], [[BIN_RDX18]] |
| ; VI-NEXT: [[BIN_RDX20:%.*]] = fadd fast <2 x half> [[TMP23]], [[BIN_RDX19]] |
| ; VI-NEXT: [[TMP25:%.*]] = call fast half @llvm.vector.reduce.fadd.v2f16(half 0xH8000, <2 x half> [[BIN_RDX20]]) |
| ; VI-NEXT: br i1 true, label [[FOR_END:%.*]], label [[SCALAR_PH]] |
| ; VI: scalar.ph: |
| ; VI-NEXT: br label [[FOR_BODY:%.*]] |
| ; VI: for.body: |
| ; VI-NEXT: br i1 undef, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP2:![0-9]+]] |
| ; VI: for.end: |
| ; VI-NEXT: [[ADD_LCSSA:%.*]] = phi half [ undef, [[FOR_BODY]] ], [ [[TMP25]], [[MIDDLE_BLOCK]] ] |
| ; VI-NEXT: ret half [[ADD_LCSSA]] |
| ; |
| ; CI-LABEL: @vectorize_v2f16_loop( |
| ; CI-NEXT: entry: |
| ; CI-NEXT: br label [[FOR_BODY:%.*]] |
| ; CI: for.body: |
| ; CI-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ] |
| ; CI-NEXT: [[Q_04:%.*]] = phi half [ 0xH0000, [[ENTRY]] ], [ [[ADD:%.*]], [[FOR_BODY]] ] |
| ; CI-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds half, half addrspace(1)* [[S:%.*]], i64 [[INDVARS_IV]] |
| ; CI-NEXT: [[TMP0:%.*]] = load half, half addrspace(1)* [[ARRAYIDX]], align 2 |
| ; CI-NEXT: [[ADD]] = fadd fast half [[Q_04]], [[TMP0]] |
| ; CI-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1 |
| ; CI-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], 256 |
| ; CI-NEXT: br i1 [[EXITCOND]], label [[FOR_END:%.*]], label [[FOR_BODY]] |
| ; CI: for.end: |
| ; CI-NEXT: ret half [[ADD]] |
| ; |
| entry: |
| br label %for.body |
| |
| for.body: |
| %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] |
| %q.04 = phi half [ 0.0, %entry ], [ %add, %for.body ] |
| %arrayidx = getelementptr inbounds half, half addrspace(1)* %s, i64 %indvars.iv |
| %0 = load half, half addrspace(1)* %arrayidx, align 2 |
| %add = fadd fast half %q.04, %0 |
| %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 |
| %exitcond = icmp eq i64 %indvars.iv.next, 256 |
| br i1 %exitcond, label %for.end, label %for.body |
| |
| for.end: |
| %add.lcssa = phi half [ %add, %for.body ] |
| ret half %add.lcssa |
| } |