# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py # RUN: llc -mtriple aarch64 -run-pass=aarch64-postlegalizer-combiner --aarch64postlegalizercombinerhelper-only-enable-rule="mutate_anyext_to_zext" -verify-machineinstrs %s -o - | FileCheck %s # REQUIRES: asserts ... --- name: scalar_icmp legalized: true tracksRegLiveness: true body: | bb.0: liveins: $x0 ; Scalars have 0 or 1, so we want a ZExt. ; CHECK-LABEL: name: scalar_icmp ; CHECK: liveins: $x0 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: %copy:_(s64) = COPY $x0 ; CHECK-NEXT: %cst_1:_(s64) = G_CONSTANT i64 1 ; CHECK-NEXT: %icmp:_(s32) = G_ICMP intpred(eq), %copy(s64), %cst_1 ; CHECK-NEXT: %ext:_(s64) = G_ZEXT %icmp(s32) ; CHECK-NEXT: $x0 = COPY %ext(s64) ; CHECK-NEXT: RET_ReallyLR implicit $x0 %copy:_(s64) = COPY $x0 %cst_1:_(s64) = G_CONSTANT i64 1 %icmp:_(s32) = G_ICMP intpred(eq), %copy(s64), %cst_1 %ext:_(s64) = G_ANYEXT %icmp(s32) $x0 = COPY %ext(s64) RET_ReallyLR implicit $x0 ... --- name: vector_icmp legalized: true tracksRegLiveness: true body: | bb.0: liveins: $x0, $d0 ; Vectors have 0 or negative 1, so we don't produce a zext. ; CHECK-LABEL: name: vector_icmp ; CHECK: liveins: $x0, $d0 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: %copy:_(<2 x s32>) = COPY $d0 ; CHECK-NEXT: %cst_1:_(s32) = G_CONSTANT i32 1 ; CHECK-NEXT: %vec_cst_1:_(<2 x s32>) = G_BUILD_VECTOR %cst_1(s32), %cst_1(s32) ; CHECK-NEXT: %icmp:_(<2 x s32>) = G_ICMP intpred(eq), %copy(<2 x s32>), %vec_cst_1 ; CHECK-NEXT: %ext:_(<2 x s64>) = G_ANYEXT %icmp(<2 x s32>) ; CHECK-NEXT: $q0 = COPY %ext(<2 x s64>) ; CHECK-NEXT: RET_ReallyLR implicit $q0 %copy:_(<2 x s32>) = COPY $d0 %cst_1:_(s32) = G_CONSTANT i32 1 %vec_cst_1:_(<2 x s32>) = G_BUILD_VECTOR %cst_1, %cst_1 %icmp:_(<2 x s32>) = G_ICMP intpred(eq), %copy(<2 x s32>), %vec_cst_1 %ext:_(<2 x s64>) = G_ANYEXT %icmp(<2 x s32>) $q0 = COPY %ext(<2 x s64>) RET_ReallyLR implicit $q0 ... --- name: scalar_fcmp legalized: true tracksRegLiveness: true body: | bb.0: liveins: $x0, $d0 ; Scalars have 0 or 1, so we want a ZExt. ; CHECK-LABEL: name: scalar_fcmp ; CHECK: liveins: $x0, $d0 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: %copy:_(s64) = COPY $d0 ; CHECK-NEXT: %cst_1:_(s64) = G_FCONSTANT double 1.000000e+00 ; CHECK-NEXT: %fcmp:_(s32) = G_FCMP intpred(eq), %copy(s64), %cst_1 ; CHECK-NEXT: %ext:_(s64) = G_ZEXT %fcmp(s32) ; CHECK-NEXT: $x0 = COPY %ext(s64) ; CHECK-NEXT: RET_ReallyLR implicit $x0 %copy:_(s64) = COPY $d0 %cst_1:_(s64) = G_FCONSTANT double 1.0 %fcmp:_(s32) = G_FCMP intpred(eq), %copy(s64), %cst_1 %ext:_(s64) = G_ANYEXT %fcmp(s32) $x0 = COPY %ext(s64) RET_ReallyLR implicit $x0