# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py # RUN: llc -mtriple aarch64-apple-ios -run-pass=aarch64-prelegalizer-combiner --aarch64prelegalizercombinerhelper-only-enable-rule="not_cmp_fold" %s -o - -verify-machineinstrs | FileCheck %s # Need asserts for the only-enable-rule to work. # REQUIRES: asserts # Check that we fold an compare result inverted into just inverting the condition code. --- name: icmp tracksRegLiveness: true body: | bb.1: liveins: $x0 ; CHECK-LABEL: name: icmp ; CHECK: liveins: $x0 ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0 ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1 ; CHECK: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(sle), [[COPY]](s64), [[C]] ; CHECK: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[ICMP]](s1) ; CHECK: $w0 = COPY [[ANYEXT]](s32) ; CHECK: RET_ReallyLR implicit $w0 %0:_(s64) = COPY $x0 %1:_(s64) = G_CONSTANT i64 1 %2:_(s1) = G_CONSTANT i1 1 %3:_(s1) = G_ICMP intpred(sgt), %0(s64), %1 %4:_(s1) = G_XOR %3, %2 %5:_(s32) = G_ANYEXT %4 $w0 = COPY %5(s32) RET_ReallyLR implicit $w0 ... --- name: fcmp tracksRegLiveness: true body: | bb.1: liveins: $x0 ; CHECK-LABEL: name: fcmp ; CHECK: liveins: $x0 ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0 ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1 ; CHECK: [[FCMP:%[0-9]+]]:_(s1) = G_FCMP floatpred(ule), [[COPY]](s64), [[C]] ; CHECK: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[FCMP]](s1) ; CHECK: $w0 = COPY [[ANYEXT]](s32) ; CHECK: RET_ReallyLR implicit $w0 %0:_(s64) = COPY $x0 %1:_(s64) = G_CONSTANT i64 1 %2:_(s1) = G_CONSTANT i1 1 %3:_(s1) = G_FCMP floatpred(ogt), %0(s64), %1 %4:_(s1) = G_XOR %3, %2 %5:_(s32) = G_ANYEXT %4 $w0 = COPY %5(s32) RET_ReallyLR implicit $w0 ... --- name: icmp_not_xor_with_1 tracksRegLiveness: true body: | bb.1: liveins: $x0 ; CHECK-LABEL: name: icmp_not_xor_with_1 ; CHECK: liveins: $x0 ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0 ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1 ; CHECK: [[C1:%[0-9]+]]:_(s1) = G_CONSTANT i1 false ; CHECK: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(sgt), [[COPY]](s64), [[C]] ; CHECK: [[XOR:%[0-9]+]]:_(s1) = G_XOR [[ICMP]], [[C1]] ; CHECK: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[XOR]](s1) ; CHECK: $w0 = COPY [[ANYEXT]](s32) ; CHECK: RET_ReallyLR implicit $w0 %0:_(s64) = COPY $x0 %1:_(s64) = G_CONSTANT i64 1 %2:_(s1) = G_CONSTANT i1 0 %3:_(s1) = G_ICMP intpred(sgt), %0(s64), %1 %4:_(s1) = G_XOR %3, %2 %5:_(s32) = G_ANYEXT %4 $w0 = COPY %5(s32) RET_ReallyLR implicit $w0 ... --- name: icmp_not_xor_with_wrong_bool_contents tracksRegLiveness: true body: | bb.1: liveins: $x0 ; Even though bit 0 of the constant is 1, we require zero in the upper bits ; for our aarch64's zero-or-one boolean contents. ; CHECK-LABEL: name: icmp_not_xor_with_wrong_bool_contents ; CHECK: liveins: $x0 ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0 ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1 ; CHECK: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 7 ; CHECK: [[ICMP:%[0-9]+]]:_(s32) = G_ICMP intpred(sgt), [[COPY]](s64), [[C]] ; CHECK: [[XOR:%[0-9]+]]:_(s32) = G_XOR [[ICMP]], [[C1]] ; CHECK: $w0 = COPY [[XOR]](s32) ; CHECK: RET_ReallyLR implicit $w0 %0:_(s64) = COPY $x0 %1:_(s64) = G_CONSTANT i64 1 %2:_(s32) = G_CONSTANT i32 7 %3:_(s32) = G_ICMP intpred(sgt), %0(s64), %1 %4:_(s32) = G_XOR %3, %2 $w0 = COPY %4(s32) RET_ReallyLR implicit $w0 ... --- name: icmp_multiple_use tracksRegLiveness: true body: | bb.1: liveins: $x0 ; CHECK-LABEL: name: icmp_multiple_use ; CHECK: liveins: $x0 ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0 ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1 ; CHECK: [[C1:%[0-9]+]]:_(s1) = G_CONSTANT i1 true ; CHECK: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(sgt), [[COPY]](s64), [[C]] ; CHECK: [[XOR:%[0-9]+]]:_(s1) = G_XOR [[ICMP]], [[C1]] ; CHECK: %other_use:_(s1) = G_AND [[ICMP]], [[C1]] ; CHECK: %other_use_ext:_(s32) = G_ANYEXT %other_use(s1) ; CHECK: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[XOR]](s1) ; CHECK: $w0 = COPY [[ANYEXT]](s32) ; CHECK: $w1 = COPY %other_use_ext(s32) ; CHECK: RET_ReallyLR implicit $w0 %0:_(s64) = COPY $x0 %1:_(s64) = G_CONSTANT i64 1 %2:_(s1) = G_CONSTANT i1 1 %3:_(s1) = G_ICMP intpred(sgt), %0(s64), %1 %4:_(s1) = G_XOR %3, %2 %other_use:_(s1) = G_AND %3, %2 %other_use_ext:_(s32) = G_ANYEXT %other_use(s1) %5:_(s32) = G_ANYEXT %4 $w0 = COPY %5(s32) $w1 = COPY %other_use_ext RET_ReallyLR implicit $w0 ... --- name: icmp_vector tracksRegLiveness: true body: | bb.1: liveins: $q0 ; CHECK-LABEL: name: icmp_vector ; CHECK: liveins: $q0 ; CHECK: [[COPY:%[0-9]+]]:_(<4 x s32>) = COPY $q0 ; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 5 ; CHECK: %splat_op2:_(<4 x s32>) = G_BUILD_VECTOR [[C]](s32), [[C]](s32), [[C]](s32), [[C]](s32) ; CHECK: [[ICMP:%[0-9]+]]:_(<4 x s1>) = G_ICMP intpred(sle), [[COPY]](<4 x s32>), %splat_op2 ; CHECK: [[ANYEXT:%[0-9]+]]:_(<4 x s32>) = G_ANYEXT [[ICMP]](<4 x s1>) ; CHECK: $q0 = COPY [[ANYEXT]](<4 x s32>) ; CHECK: RET_ReallyLR implicit $q0 %0:_(<4 x s32>) = COPY $q0 %1:_(s32) = G_CONSTANT i32 5 %splat_op2:_(<4 x s32>) = G_BUILD_VECTOR %1, %1, %1, %1 %2:_(s1) = G_CONSTANT i1 1 %splat_true:_(<4 x s1>) = G_BUILD_VECTOR %2, %2, %2, %2 %3:_(<4 x s1>) = G_ICMP intpred(sgt), %0(<4 x s32>), %splat_op2 %4:_(<4 x s1>) = G_XOR %3, %splat_true %5:_(<4 x s32>) = G_ANYEXT %4 $q0 = COPY %5(<4 x s32>) RET_ReallyLR implicit $q0 ... --- name: icmp_and_icmp tracksRegLiveness: true body: | bb.1: liveins: $x0 ; CHECK-LABEL: name: icmp_and_icmp ; CHECK: liveins: $x0 ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0 ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1 ; CHECK: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(sle), [[COPY]](s64), [[C]] ; CHECK: [[ICMP1:%[0-9]+]]:_(s1) = G_ICMP intpred(ule), [[COPY]](s64), [[C]] ; CHECK: [[OR:%[0-9]+]]:_(s1) = G_OR [[ICMP]], [[ICMP1]] ; CHECK: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[OR]](s1) ; CHECK: $w0 = COPY [[ANYEXT]](s32) ; CHECK: RET_ReallyLR implicit $w0 %0:_(s64) = COPY $x0 %1:_(s64) = G_CONSTANT i64 1 %2:_(s1) = G_CONSTANT i1 1 %3:_(s1) = G_ICMP intpred(sgt), %0(s64), %1 %4:_(s1) = G_ICMP intpred(ugt), %0(s64), %1 %5:_(s1) = G_AND %3, %4 %6:_(s1) = G_XOR %5, %2 %7:_(s32) = G_ANYEXT %6 $w0 = COPY %7(s32) RET_ReallyLR implicit $w0 ... --- name: icmp_or_icmp tracksRegLiveness: true body: | bb.1: liveins: $x0 ; CHECK-LABEL: name: icmp_or_icmp ; CHECK: liveins: $x0 ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0 ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1 ; CHECK: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(sle), [[COPY]](s64), [[C]] ; CHECK: [[ICMP1:%[0-9]+]]:_(s1) = G_ICMP intpred(ule), [[COPY]](s64), [[C]] ; CHECK: [[AND:%[0-9]+]]:_(s1) = G_AND [[ICMP]], [[ICMP1]] ; CHECK: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[AND]](s1) ; CHECK: $w0 = COPY [[ANYEXT]](s32) ; CHECK: RET_ReallyLR implicit $w0 %0:_(s64) = COPY $x0 %1:_(s64) = G_CONSTANT i64 1 %2:_(s1) = G_CONSTANT i1 1 %3:_(s1) = G_ICMP intpred(sgt), %0(s64), %1 %4:_(s1) = G_ICMP intpred(ugt), %0(s64), %1 %5:_(s1) = G_OR %3, %4 %6:_(s1) = G_XOR %5, %2 %7:_(s32) = G_ANYEXT %6 $w0 = COPY %7(s32) RET_ReallyLR implicit $w0 ... --- name: icmp_and_icmp_or_icmp tracksRegLiveness: true body: | bb.1: liveins: $x0 ; CHECK-LABEL: name: icmp_and_icmp_or_icmp ; CHECK: liveins: $x0 ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0 ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1 ; CHECK: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(sle), [[COPY]](s64), [[C]] ; CHECK: [[ICMP1:%[0-9]+]]:_(s1) = G_ICMP intpred(ule), [[COPY]](s64), [[C]] ; CHECK: [[OR:%[0-9]+]]:_(s1) = G_OR [[ICMP]], [[ICMP1]] ; CHECK: [[ICMP2:%[0-9]+]]:_(s1) = G_ICMP intpred(eq), [[COPY]](s64), [[C]] ; CHECK: [[AND:%[0-9]+]]:_(s1) = G_AND [[OR]], [[ICMP2]] ; CHECK: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[AND]](s1) ; CHECK: $w0 = COPY [[ANYEXT]](s32) ; CHECK: RET_ReallyLR implicit $w0 %0:_(s64) = COPY $x0 %1:_(s64) = G_CONSTANT i64 1 %2:_(s1) = G_CONSTANT i1 1 %3:_(s1) = G_ICMP intpred(sgt), %0(s64), %1 %4:_(s1) = G_ICMP intpred(ugt), %0(s64), %1 %5:_(s1) = G_AND %3, %4 %6:_(s1) = G_ICMP intpred(ne), %0(s64), %1 %7:_(s1) = G_OR %5, %6 %8:_(s1) = G_XOR %7, %2 %9:_(s32) = G_ANYEXT %8 $w0 = COPY %9(s32) RET_ReallyLR implicit $w0 ... --- name: icmp_and_trunc tracksRegLiveness: true body: | bb.1: liveins: $x0 ; CHECK-LABEL: name: icmp_and_trunc ; CHECK: liveins: $x0 ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0 ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1 ; CHECK: [[C1:%[0-9]+]]:_(s1) = G_CONSTANT i1 true ; CHECK: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(sgt), [[COPY]](s64), [[C]] ; CHECK: [[TRUNC:%[0-9]+]]:_(s1) = G_TRUNC [[COPY]](s64) ; CHECK: [[AND:%[0-9]+]]:_(s1) = G_AND [[ICMP]], [[TRUNC]] ; CHECK: [[XOR:%[0-9]+]]:_(s1) = G_XOR [[AND]], [[C1]] ; CHECK: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[XOR]](s1) ; CHECK: $w0 = COPY [[ANYEXT]](s32) ; CHECK: RET_ReallyLR implicit $w0 %0:_(s64) = COPY $x0 %1:_(s64) = G_CONSTANT i64 1 %2:_(s1) = G_CONSTANT i1 1 %3:_(s1) = G_ICMP intpred(sgt), %0(s64), %1 %4:_(s1) = G_TRUNC %0(s64) %5:_(s1) = G_AND %3, %4 %6:_(s1) = G_XOR %5, %2 %7:_(s32) = G_ANYEXT %6 $w0 = COPY %7(s32) RET_ReallyLR implicit $w0 ...