| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt < %s -instsimplify -S | FileCheck %s |
| |
| declare i3 @llvm.uadd.sat.i3(i3, i3) |
| declare i8 @llvm.uadd.sat.i8(i8, i8) |
| declare <2 x i8> @llvm.uadd.sat.v2i8(<2 x i8>, <2 x i8>) |
| declare <2 x i9> @llvm.uadd.sat.v2i9(<2 x i9>, <2 x i9>) |
| |
| declare i8 @llvm.sadd.sat.i8(i8, i8) |
| declare <2 x i8> @llvm.sadd.sat.v2i8(<2 x i8>, <2 x i8>) |
| |
| declare i8 @llvm.usub.sat.i8(i8, i8) |
| declare i8 @llvm.ssub.sat.i8(i8, i8) |
| declare <2 x i8> @llvm.usub.sat.v2i8(<2 x i8>, <2 x i8>) |
| declare <2 x i8> @llvm.ssub.sat.v2i8(<2 x i8>, <2 x i8>) |
| |
| define i8 @uadd_scalar_0(i8 %a) { |
| ; CHECK-LABEL: @uadd_scalar_0( |
| ; CHECK-NEXT: ret i8 [[A:%.*]] |
| ; |
| %x1 = call i8 @llvm.uadd.sat.i8(i8 %a, i8 0) |
| ret i8 %x1 |
| } |
| |
| define <2 x i8> @uadd_vector_0(<2 x i8> %a) { |
| ; CHECK-LABEL: @uadd_vector_0( |
| ; CHECK-NEXT: ret <2 x i8> [[A:%.*]] |
| ; |
| %x1v = call <2 x i8> @llvm.uadd.sat.v2i8(<2 x i8> %a, <2 x i8> zeroinitializer) |
| ret <2 x i8> %x1v |
| } |
| |
| define i3 @uadd_scalar_0_commute(i3 %a) { |
| ; CHECK-LABEL: @uadd_scalar_0_commute( |
| ; CHECK-NEXT: ret i3 [[A:%.*]] |
| ; |
| %x2 = call i3 @llvm.uadd.sat.i3(i3 0, i3 %a) |
| ret i3 %x2 |
| } |
| |
| define <2 x i8> @uadd_vector_0_commute(<2 x i8> %a) { |
| ; CHECK-LABEL: @uadd_vector_0_commute( |
| ; CHECK-NEXT: ret <2 x i8> [[A:%.*]] |
| ; |
| %x2v = call <2 x i8> @llvm.uadd.sat.v2i8(<2 x i8> <i8 0, i8 undef>, <2 x i8> %a) |
| ret <2 x i8> %x2v |
| } |
| |
| define i8 @uadd_scalar_maxval(i8 %a) { |
| ; CHECK-LABEL: @uadd_scalar_maxval( |
| ; CHECK-NEXT: ret i8 -1 |
| ; |
| %x3 = call i8 @llvm.uadd.sat.i8(i8 %a, i8 255) |
| ret i8 %x3 |
| } |
| |
| define <2 x i9> @uadd_vector_maxval(<2 x i9> %a) { |
| ; CHECK-LABEL: @uadd_vector_maxval( |
| ; CHECK-NEXT: ret <2 x i9> <i9 -1, i9 -1> |
| ; |
| %x3v = call <2 x i9> @llvm.uadd.sat.v2i9(<2 x i9> %a, <2 x i9> <i9 511, i9 511>) |
| ret <2 x i9> %x3v |
| } |
| |
| define i3 @uadd_scalar_maxval_commute(i3 %a) { |
| ; CHECK-LABEL: @uadd_scalar_maxval_commute( |
| ; CHECK-NEXT: ret i3 -1 |
| ; |
| %x4 = call i3 @llvm.uadd.sat.i3(i3 7, i3 %a) |
| ret i3 %x4 |
| } |
| |
| define <2 x i8> @uadd_vector_maxval_commute(<2 x i8> %a) { |
| ; CHECK-LABEL: @uadd_vector_maxval_commute( |
| ; CHECK-NEXT: ret <2 x i8> <i8 -1, i8 -1> |
| ; |
| %x4v = call <2 x i8> @llvm.uadd.sat.v2i8(<2 x i8> <i8 255, i8 255>, <2 x i8> %a) |
| ret <2 x i8> %x4v |
| } |
| |
| define i8 @uadd_scalar_undef(i8 %a) { |
| ; CHECK-LABEL: @uadd_scalar_undef( |
| ; CHECK-NEXT: ret i8 -1 |
| ; |
| %x5 = call i8 @llvm.uadd.sat.i8(i8 %a, i8 undef) |
| ret i8 %x5 |
| } |
| |
| define <2 x i8> @uadd_vector_undef(<2 x i8> %a) { |
| ; CHECK-LABEL: @uadd_vector_undef( |
| ; CHECK-NEXT: ret <2 x i8> <i8 -1, i8 -1> |
| ; |
| %x5v = call <2 x i8> @llvm.uadd.sat.v2i8(<2 x i8> %a, <2 x i8> <i8 undef, i8 undef>) |
| ret <2 x i8> %x5v |
| } |
| |
| define i8 @uadd_scalar_undef_commute(i8 %a) { |
| ; CHECK-LABEL: @uadd_scalar_undef_commute( |
| ; CHECK-NEXT: ret i8 -1 |
| ; |
| %x6 = call i8 @llvm.uadd.sat.i8(i8 undef, i8 %a) |
| ret i8 %x6 |
| } |
| |
| define <2 x i8> @uadd_vector_undef_commute(<2 x i8> %a) { |
| ; CHECK-LABEL: @uadd_vector_undef_commute( |
| ; CHECK-NEXT: ret <2 x i8> <i8 -1, i8 -1> |
| ; |
| %x5v = call <2 x i8> @llvm.uadd.sat.v2i8(<2 x i8> undef, <2 x i8> %a) |
| ret <2 x i8> %x5v |
| } |
| |
| define i8 @sadd_scalar_0(i8 %a) { |
| ; CHECK-LABEL: @sadd_scalar_0( |
| ; CHECK-NEXT: ret i8 [[A:%.*]] |
| ; |
| %y1 = call i8 @llvm.sadd.sat.i8(i8 %a, i8 0) |
| ret i8 %y1 |
| } |
| |
| define <2 x i8> @sadd_vector_0(<2 x i8> %a) { |
| ; CHECK-LABEL: @sadd_vector_0( |
| ; CHECK-NEXT: ret <2 x i8> [[A:%.*]] |
| ; |
| %y1v = call <2 x i8> @llvm.sadd.sat.v2i8(<2 x i8> %a, <2 x i8> <i8 undef, i8 0>) |
| ret <2 x i8> %y1v |
| } |
| |
| define i8 @sadd_scalar_0_commute(i8 %a) { |
| ; CHECK-LABEL: @sadd_scalar_0_commute( |
| ; CHECK-NEXT: ret i8 [[A:%.*]] |
| ; |
| %y2 = call i8 @llvm.sadd.sat.i8(i8 0, i8 %a) |
| ret i8 %y2 |
| } |
| |
| define <2 x i8> @sadd_vector_0_commute(<2 x i8> %a) { |
| ; CHECK-LABEL: @sadd_vector_0_commute( |
| ; CHECK-NEXT: ret <2 x i8> [[A:%.*]] |
| ; |
| %y2v = call <2 x i8> @llvm.sadd.sat.v2i8(<2 x i8> zeroinitializer, <2 x i8> %a) |
| ret <2 x i8> %y2v |
| } |
| |
| define i8 @sadd_scalar_maxval(i8 %a) { |
| ; CHECK-LABEL: @sadd_scalar_maxval( |
| ; CHECK-NEXT: [[Y3:%.*]] = call i8 @llvm.sadd.sat.i8(i8 [[A:%.*]], i8 127) |
| ; CHECK-NEXT: ret i8 [[Y3]] |
| ; |
| %y3 = call i8 @llvm.sadd.sat.i8(i8 %a, i8 127) |
| ret i8 %y3 |
| } |
| |
| define <2 x i8> @sadd_vector_maxval(<2 x i8> %a) { |
| ; CHECK-LABEL: @sadd_vector_maxval( |
| ; CHECK-NEXT: [[Y3V:%.*]] = call <2 x i8> @llvm.sadd.sat.v2i8(<2 x i8> [[A:%.*]], <2 x i8> <i8 127, i8 127>) |
| ; CHECK-NEXT: ret <2 x i8> [[Y3V]] |
| ; |
| %y3v = call <2 x i8> @llvm.sadd.sat.v2i8(<2 x i8> %a, <2 x i8> <i8 127, i8 127>) |
| ret <2 x i8> %y3v |
| } |
| |
| define i8 @sadd_scalar_maxval_commute(i8 %a) { |
| ; CHECK-LABEL: @sadd_scalar_maxval_commute( |
| ; CHECK-NEXT: [[Y4:%.*]] = call i8 @llvm.sadd.sat.i8(i8 127, i8 [[A:%.*]]) |
| ; CHECK-NEXT: ret i8 [[Y4]] |
| ; |
| %y4 = call i8 @llvm.sadd.sat.i8(i8 127, i8 %a) |
| ret i8 %y4 |
| } |
| |
| define <2 x i8> @sadd_vector_maxval_commute(<2 x i8> %a) { |
| ; CHECK-LABEL: @sadd_vector_maxval_commute( |
| ; CHECK-NEXT: [[Y4V:%.*]] = call <2 x i8> @llvm.sadd.sat.v2i8(<2 x i8> <i8 undef, i8 127>, <2 x i8> [[A:%.*]]) |
| ; CHECK-NEXT: ret <2 x i8> [[Y4V]] |
| ; |
| %y4v = call <2 x i8> @llvm.sadd.sat.v2i8(<2 x i8> <i8 undef, i8 127>, <2 x i8> %a) |
| ret <2 x i8> %y4v |
| } |
| |
| define i8 @sadd_scalar_undef(i8 %a) { |
| ; CHECK-LABEL: @sadd_scalar_undef( |
| ; CHECK-NEXT: ret i8 -1 |
| ; |
| %y5 = call i8 @llvm.sadd.sat.i8(i8 %a, i8 undef) |
| ret i8 %y5 |
| } |
| |
| define <2 x i8> @sadd_vector_undef(<2 x i8> %a) { |
| ; CHECK-LABEL: @sadd_vector_undef( |
| ; CHECK-NEXT: ret <2 x i8> <i8 -1, i8 -1> |
| ; |
| %y5v = call <2 x i8> @llvm.sadd.sat.v2i8(<2 x i8> %a, <2 x i8> undef) |
| ret <2 x i8> %y5v |
| } |
| |
| define i8 @sadd_scalar_undef_commute(i8 %a) { |
| ; CHECK-LABEL: @sadd_scalar_undef_commute( |
| ; CHECK-NEXT: ret i8 -1 |
| ; |
| %y6 = call i8 @llvm.sadd.sat.i8(i8 undef, i8 %a) |
| ret i8 %y6 |
| } |
| |
| define <2 x i8> @sadd_vector_undef_commute(<2 x i8> %a) { |
| ; CHECK-LABEL: @sadd_vector_undef_commute( |
| ; CHECK-NEXT: ret <2 x i8> <i8 -1, i8 -1> |
| ; |
| %y6v = call <2 x i8> @llvm.sadd.sat.v2i8(<2 x i8> undef, <2 x i8> %a) |
| ret <2 x i8> %y6v |
| } |
| |
| define i8 @usub_scalar_0(i8 %a) { |
| ; CHECK-LABEL: @usub_scalar_0( |
| ; CHECK-NEXT: ret i8 [[A:%.*]] |
| ; |
| %x1 = call i8 @llvm.usub.sat.i8(i8 %a, i8 0) |
| ret i8 %x1 |
| } |
| |
| define <2 x i8> @usub_vector_0(<2 x i8> %a) { |
| ; CHECK-LABEL: @usub_vector_0( |
| ; CHECK-NEXT: ret <2 x i8> [[A:%.*]] |
| ; |
| %x1v = call <2 x i8> @llvm.usub.sat.v2i8(<2 x i8> %a, <2 x i8> <i8 0, i8 0>) |
| ret <2 x i8> %x1v |
| } |
| |
| define i8 @usub_scalar_0_commute(i8 %a) { |
| ; CHECK-LABEL: @usub_scalar_0_commute( |
| ; CHECK-NEXT: ret i8 0 |
| ; |
| %x2 = call i8 @llvm.usub.sat.i8(i8 0, i8 %a) |
| ret i8 %x2 |
| } |
| |
| define <2 x i8> @usub_vector_0_commute(<2 x i8> %a) { |
| ; CHECK-LABEL: @usub_vector_0_commute( |
| ; CHECK-NEXT: ret <2 x i8> zeroinitializer |
| ; |
| %x2v = call <2 x i8> @llvm.usub.sat.v2i8(<2 x i8> <i8 0, i8 0>, <2 x i8> %a) |
| ret <2 x i8> %x2v |
| } |
| |
| define i8 @usub_scalar_maxval(i8 %a) { |
| ; CHECK-LABEL: @usub_scalar_maxval( |
| ; CHECK-NEXT: ret i8 0 |
| ; |
| %x3 = call i8 @llvm.usub.sat.i8(i8 %a, i8 255) |
| ret i8 %x3 |
| } |
| |
| define <2 x i8> @usub_vector_maxval(<2 x i8> %a) { |
| ; CHECK-LABEL: @usub_vector_maxval( |
| ; CHECK-NEXT: ret <2 x i8> zeroinitializer |
| ; |
| %x3v = call <2 x i8> @llvm.usub.sat.v2i8(<2 x i8> %a, <2 x i8> <i8 255, i8 255>) |
| ret <2 x i8> %x3v |
| } |
| |
| define i8 @usub_scalar_undef(i8 %a) { |
| ; CHECK-LABEL: @usub_scalar_undef( |
| ; CHECK-NEXT: ret i8 0 |
| ; |
| %x4 = call i8 @llvm.usub.sat.i8(i8 %a, i8 undef) |
| ret i8 %x4 |
| } |
| |
| define <2 x i8> @usub_vector_undef(<2 x i8> %a) { |
| ; CHECK-LABEL: @usub_vector_undef( |
| ; CHECK-NEXT: ret <2 x i8> zeroinitializer |
| ; |
| %x4v = call <2 x i8> @llvm.usub.sat.v2i8(<2 x i8> %a, <2 x i8> <i8 undef, i8 undef>) |
| ret <2 x i8> %x4v |
| } |
| |
| define i8 @usub_scalar_undef_commute(i8 %a) { |
| ; CHECK-LABEL: @usub_scalar_undef_commute( |
| ; CHECK-NEXT: ret i8 0 |
| ; |
| %x5 = call i8 @llvm.usub.sat.i8(i8 undef, i8 %a) |
| ret i8 %x5 |
| } |
| |
| define <2 x i8> @usub_vector_undef_commute(<2 x i8> %a) { |
| ; CHECK-LABEL: @usub_vector_undef_commute( |
| ; CHECK-NEXT: ret <2 x i8> zeroinitializer |
| ; |
| %x5v = call <2 x i8> @llvm.usub.sat.v2i8(<2 x i8> <i8 undef, i8 undef>, <2 x i8> %a) |
| ret <2 x i8> %x5v |
| } |
| |
| define i8 @usub_scalar_same(i8 %a) { |
| ; CHECK-LABEL: @usub_scalar_same( |
| ; CHECK-NEXT: ret i8 0 |
| ; |
| %x6 = call i8 @llvm.usub.sat.i8(i8 %a, i8 %a) |
| ret i8 %x6 |
| } |
| |
| define <2 x i8> @usub_vector_same(<2 x i8> %a) { |
| ; CHECK-LABEL: @usub_vector_same( |
| ; CHECK-NEXT: ret <2 x i8> zeroinitializer |
| ; |
| %x6v = call <2 x i8> @llvm.usub.sat.v2i8(<2 x i8> %a, <2 x i8> %a) |
| ret <2 x i8> %x6v |
| } |
| |
| define i8 @ssub_scalar_0(i8 %a) { |
| ; CHECK-LABEL: @ssub_scalar_0( |
| ; CHECK-NEXT: ret i8 [[A:%.*]] |
| ; |
| %y1 = call i8 @llvm.ssub.sat.i8(i8 %a, i8 0) |
| ret i8 %y1 |
| } |
| |
| define <2 x i8> @ssub_vector_0(<2 x i8> %a) { |
| ; CHECK-LABEL: @ssub_vector_0( |
| ; CHECK-NEXT: ret <2 x i8> [[A:%.*]] |
| ; |
| %y1v = call <2 x i8> @llvm.ssub.sat.v2i8(<2 x i8> %a, <2 x i8> <i8 0, i8 0>) |
| ret <2 x i8> %y1v |
| } |
| |
| define i8 @ssub_scalar_0_commute(i8 %a) { |
| ; CHECK-LABEL: @ssub_scalar_0_commute( |
| ; CHECK-NEXT: [[Y2:%.*]] = call i8 @llvm.ssub.sat.i8(i8 0, i8 [[A:%.*]]) |
| ; CHECK-NEXT: ret i8 [[Y2]] |
| ; |
| %y2 = call i8 @llvm.ssub.sat.i8(i8 0, i8 %a) |
| ret i8 %y2 |
| } |
| |
| define <2 x i8> @ssub_vector_0_commute(<2 x i8> %a) { |
| ; CHECK-LABEL: @ssub_vector_0_commute( |
| ; CHECK-NEXT: [[Y2V:%.*]] = call <2 x i8> @llvm.ssub.sat.v2i8(<2 x i8> zeroinitializer, <2 x i8> [[A:%.*]]) |
| ; CHECK-NEXT: ret <2 x i8> [[Y2V]] |
| ; |
| %y2v = call <2 x i8> @llvm.ssub.sat.v2i8(<2 x i8> <i8 0, i8 0>, <2 x i8> %a) |
| ret <2 x i8> %y2v |
| } |
| |
| define i8 @ssub_scalar_maxval(i8 %a) { |
| ; CHECK-LABEL: @ssub_scalar_maxval( |
| ; CHECK-NEXT: [[Y3:%.*]] = call i8 @llvm.ssub.sat.i8(i8 [[A:%.*]], i8 127) |
| ; CHECK-NEXT: ret i8 [[Y3]] |
| ; |
| %y3 = call i8 @llvm.ssub.sat.i8(i8 %a, i8 127) |
| ret i8 %y3 |
| } |
| |
| define <2 x i8> @ssub_vector_maxval(<2 x i8> %a) { |
| ; CHECK-LABEL: @ssub_vector_maxval( |
| ; CHECK-NEXT: [[Y3V:%.*]] = call <2 x i8> @llvm.ssub.sat.v2i8(<2 x i8> [[A:%.*]], <2 x i8> <i8 127, i8 127>) |
| ; CHECK-NEXT: ret <2 x i8> [[Y3V]] |
| ; |
| %y3v = call <2 x i8> @llvm.ssub.sat.v2i8(<2 x i8> %a, <2 x i8> <i8 127, i8 127>) |
| ret <2 x i8> %y3v |
| } |
| |
| define i8 @ssub_scalar_undef(i8 %a) { |
| ; CHECK-LABEL: @ssub_scalar_undef( |
| ; CHECK-NEXT: ret i8 0 |
| ; |
| %y4 = call i8 @llvm.ssub.sat.i8(i8 %a, i8 undef) |
| ret i8 %y4 |
| } |
| |
| define <2 x i8> @ssub_vector_undef(<2 x i8> %a) { |
| ; CHECK-LABEL: @ssub_vector_undef( |
| ; CHECK-NEXT: ret <2 x i8> zeroinitializer |
| ; |
| %y4v = call <2 x i8> @llvm.ssub.sat.v2i8(<2 x i8> %a, <2 x i8> undef) |
| ret <2 x i8> %y4v |
| } |
| |
| define i8 @ssub_scalar_undef_commute(i8 %a) { |
| ; CHECK-LABEL: @ssub_scalar_undef_commute( |
| ; CHECK-NEXT: ret i8 0 |
| ; |
| %y5 = call i8 @llvm.ssub.sat.i8(i8 undef, i8 %a) |
| ret i8 %y5 |
| } |
| |
| define <2 x i8> @ssub_vector_undef_commute(<2 x i8> %a) { |
| ; CHECK-LABEL: @ssub_vector_undef_commute( |
| ; CHECK-NEXT: ret <2 x i8> zeroinitializer |
| ; |
| %y5v = call <2 x i8> @llvm.ssub.sat.v2i8(<2 x i8> <i8 undef, i8 undef>, <2 x i8> %a) |
| ret <2 x i8> %y5v |
| } |
| |
| define i8 @ssub_scalar_same(i8 %a) { |
| ; CHECK-LABEL: @ssub_scalar_same( |
| ; CHECK-NEXT: ret i8 0 |
| ; |
| %y6 = call i8 @llvm.ssub.sat.i8(i8 %a, i8 %a) |
| ret i8 %y6 |
| } |
| |
| define <2 x i8> @ssub_vector_same(<2 x i8> %a) { |
| ; CHECK-LABEL: @ssub_vector_same( |
| ; CHECK-NEXT: ret <2 x i8> zeroinitializer |
| ; |
| %y6v = call <2 x i8> @llvm.ssub.sat.v2i8(<2 x i8> %a, <2 x i8> %a) |
| ret <2 x i8> %y6v |
| } |
| |