| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt < %s -passes=instcombine -S | FileCheck %s |
| |
| define double @a(<1 x i64> %y) { |
| ; CHECK-LABEL: @a( |
| ; CHECK-NEXT: [[BC:%.*]] = bitcast <1 x i64> [[Y:%.*]] to <1 x double> |
| ; CHECK-NEXT: [[C:%.*]] = extractelement <1 x double> [[BC]], i64 0 |
| ; CHECK-NEXT: ret double [[C]] |
| ; |
| %c = bitcast <1 x i64> %y to double |
| ret double %c |
| } |
| |
| define i64 @b(<1 x i64> %y) { |
| ; CHECK-LABEL: @b( |
| ; CHECK-NEXT: [[TMP1:%.*]] = extractelement <1 x i64> [[Y:%.*]], i64 0 |
| ; CHECK-NEXT: ret i64 [[TMP1]] |
| ; |
| %c = bitcast <1 x i64> %y to i64 |
| ret i64 %c |
| } |
| |
| define <1 x i64> @c(double %y) { |
| ; CHECK-LABEL: @c( |
| ; CHECK-NEXT: [[C:%.*]] = bitcast double [[Y:%.*]] to <1 x i64> |
| ; CHECK-NEXT: ret <1 x i64> [[C]] |
| ; |
| %c = bitcast double %y to <1 x i64> |
| ret <1 x i64> %c |
| } |
| |
| define <1 x i64> @d(i64 %y) { |
| ; CHECK-LABEL: @d( |
| ; CHECK-NEXT: [[C:%.*]] = insertelement <1 x i64> poison, i64 [[Y:%.*]], i64 0 |
| ; CHECK-NEXT: ret <1 x i64> [[C]] |
| ; |
| %c = bitcast i64 %y to <1 x i64> |
| ret <1 x i64> %c |
| } |
| |
| define x86_mmx @e(<1 x i64> %y) { |
| ; CHECK-LABEL: @e( |
| ; CHECK-NEXT: [[TMP1:%.*]] = extractelement <1 x i64> [[Y:%.*]], i64 0 |
| ; CHECK-NEXT: [[C:%.*]] = bitcast i64 [[TMP1]] to x86_mmx |
| ; CHECK-NEXT: ret x86_mmx [[C]] |
| ; |
| %c = bitcast <1 x i64> %y to x86_mmx |
| ret x86_mmx %c |
| } |
| |
| define <1 x i64> @f(x86_mmx %y) { |
| ; CHECK-LABEL: @f( |
| ; CHECK-NEXT: [[TMP1:%.*]] = bitcast x86_mmx [[Y:%.*]] to i64 |
| ; CHECK-NEXT: [[C:%.*]] = insertelement <1 x i64> poison, i64 [[TMP1]], i64 0 |
| ; CHECK-NEXT: ret <1 x i64> [[C]] |
| ; |
| %c = bitcast x86_mmx %y to <1 x i64> |
| ret <1 x i64> %c |
| } |
| |
| define double @g(x86_mmx %x) { |
| ; CHECK-LABEL: @g( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[TMP0:%.*]] = bitcast x86_mmx [[X:%.*]] to double |
| ; CHECK-NEXT: ret double [[TMP0]] |
| ; |
| entry: |
| %0 = bitcast x86_mmx %x to <1 x i64> |
| %1 = bitcast <1 x i64> %0 to double |
| ret double %1 |
| } |
| |
| ; FP source is ok. |
| |
| define <3 x i64> @bitcast_inselt_undef(double %x, i32 %idx) { |
| ; CHECK-LABEL: @bitcast_inselt_undef( |
| ; CHECK-NEXT: [[TMP1:%.*]] = insertelement <3 x double> undef, double [[X:%.*]], i32 [[IDX:%.*]] |
| ; CHECK-NEXT: [[I:%.*]] = bitcast <3 x double> [[TMP1]] to <3 x i64> |
| ; CHECK-NEXT: ret <3 x i64> [[I]] |
| ; |
| %xb = bitcast double %x to i64 |
| %i = insertelement <3 x i64> poison, i64 %xb, i32 %idx |
| ret <3 x i64> %i |
| } |
| |
| ; Integer source is ok; index is anything. |
| |
| define <3 x float> @bitcast_inselt_undef_fp(i32 %x, i567 %idx) { |
| ; CHECK-LABEL: @bitcast_inselt_undef_fp( |
| ; CHECK-NEXT: [[TMP1:%.*]] = insertelement <3 x i32> undef, i32 [[X:%.*]], i567 [[IDX:%.*]] |
| ; CHECK-NEXT: [[I:%.*]] = bitcast <3 x i32> [[TMP1]] to <3 x float> |
| ; CHECK-NEXT: ret <3 x float> [[I]] |
| ; |
| %xb = bitcast i32 %x to float |
| %i = insertelement <3 x float> poison, float %xb, i567 %idx |
| ret <3 x float> %i |
| } |
| |
| define <vscale x 3 x float> @bitcast_inselt_undef_vscale(i32 %x, i567 %idx) { |
| ; CHECK-LABEL: @bitcast_inselt_undef_vscale( |
| ; CHECK-NEXT: [[TMP1:%.*]] = insertelement <vscale x 3 x i32> undef, i32 [[X:%.*]], i567 [[IDX:%.*]] |
| ; CHECK-NEXT: [[I:%.*]] = bitcast <vscale x 3 x i32> [[TMP1]] to <vscale x 3 x float> |
| ; CHECK-NEXT: ret <vscale x 3 x float> [[I]] |
| ; |
| %xb = bitcast i32 %x to float |
| %i = insertelement <vscale x 3 x float> poison, float %xb, i567 %idx |
| ret <vscale x 3 x float> %i |
| } |
| |
| declare void @use(i64) |
| |
| ; Negative test - extra use prevents canonicalization |
| |
| define <3 x i64> @bitcast_inselt_undef_extra_use(double %x, i32 %idx) { |
| ; CHECK-LABEL: @bitcast_inselt_undef_extra_use( |
| ; CHECK-NEXT: [[XB:%.*]] = bitcast double [[X:%.*]] to i64 |
| ; CHECK-NEXT: call void @use(i64 [[XB]]) |
| ; CHECK-NEXT: [[I:%.*]] = insertelement <3 x i64> poison, i64 [[XB]], i32 [[IDX:%.*]] |
| ; CHECK-NEXT: ret <3 x i64> [[I]] |
| ; |
| %xb = bitcast double %x to i64 |
| call void @use(i64 %xb) |
| %i = insertelement <3 x i64> poison, i64 %xb, i32 %idx |
| ret <3 x i64> %i |
| } |
| |
| ; Negative test - source type must be scalar |
| |
| define <3 x i64> @bitcast_inselt_undef_vec_src(<2 x i32> %x, i32 %idx) { |
| ; CHECK-LABEL: @bitcast_inselt_undef_vec_src( |
| ; CHECK-NEXT: [[XB:%.*]] = bitcast <2 x i32> [[X:%.*]] to i64 |
| ; CHECK-NEXT: [[I:%.*]] = insertelement <3 x i64> poison, i64 [[XB]], i32 [[IDX:%.*]] |
| ; CHECK-NEXT: ret <3 x i64> [[I]] |
| ; |
| %xb = bitcast <2 x i32> %x to i64 |
| %i = insertelement <3 x i64> poison, i64 %xb, i32 %idx |
| ret <3 x i64> %i |
| } |
| |
| ; Negative test - source type must be scalar |
| |
| define <3 x i64> @bitcast_inselt_undef_from_mmx(x86_mmx %x, i32 %idx) { |
| ; CHECK-LABEL: @bitcast_inselt_undef_from_mmx( |
| ; CHECK-NEXT: [[XB:%.*]] = bitcast x86_mmx [[X:%.*]] to i64 |
| ; CHECK-NEXT: [[I:%.*]] = insertelement <3 x i64> poison, i64 [[XB]], i32 [[IDX:%.*]] |
| ; CHECK-NEXT: ret <3 x i64> [[I]] |
| ; |
| %xb = bitcast x86_mmx %x to i64 |
| %i = insertelement <3 x i64> poison, i64 %xb, i32 %idx |
| ret <3 x i64> %i |
| } |
| |
| ; Reduce number of casts |
| |
| define <2 x i64> @PR45748(double %x, double %y) { |
| ; CHECK-LABEL: @PR45748( |
| ; CHECK-NEXT: [[TMP1:%.*]] = insertelement <2 x double> undef, double [[X:%.*]], i64 0 |
| ; CHECK-NEXT: [[TMP2:%.*]] = insertelement <2 x double> [[TMP1]], double [[Y:%.*]], i64 1 |
| ; CHECK-NEXT: [[I1:%.*]] = bitcast <2 x double> [[TMP2]] to <2 x i64> |
| ; CHECK-NEXT: ret <2 x i64> [[I1]] |
| ; |
| %xb = bitcast double %x to i64 |
| %i0 = insertelement <2 x i64> poison, i64 %xb, i32 0 |
| %yb = bitcast double %y to i64 |
| %i1 = insertelement <2 x i64> %i0, i64 %yb, i32 1 |
| ret <2 x i64> %i1 |
| } |