Index: lib/Target/AArch64/AArch64LegalizerInfo.cpp =================================================================== --- lib/Target/AArch64/AArch64LegalizerInfo.cpp +++ lib/Target/AArch64/AArch64LegalizerInfo.cpp @@ -301,7 +301,8 @@ getActionDefinitionsBuilder(G_SELECT) .legalFor({{s32, s1}, {s64, s1}, {p0, s1}}) .clampScalar(0, s32, s64) - .widenScalarToNextPow2(0); + .widenScalarToNextPow2(0) + .scalarize(0); // Pointer-handling getActionDefinitionsBuilder(G_FRAME_INDEX).legalFor({p0}); Index: test/CodeGen/AArch64/GlobalISel/legalize-select.mir =================================================================== --- /dev/null +++ test/CodeGen/AArch64/GlobalISel/legalize-select.mir @@ -0,0 +1,69 @@ +# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py +# RUN: llc %s -verify-machineinstrs -O0 -run-pass=legalizer -mtriple aarch64-unknown-unknown -o - | FileCheck %s +... +--- +name: v2s64 +alignment: 2 +tracksRegLiveness: true +body: | + bb.0: + liveins: $q0, $q1 + + ; CHECK-LABEL: name: v2s64 + ; CHECK: liveins: $q0, $q1 + ; CHECK: [[COPY:%[0-9]+]]:_(<2 x s64>) = COPY $q0 + ; CHECK: [[COPY1:%[0-9]+]]:_(<2 x s64>) = COPY $q1 + ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 0 + ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s64>) = G_BUILD_VECTOR [[C]](s64), [[C]](s64) + ; CHECK: [[ICMP:%[0-9]+]]:_(<2 x s1>) = G_ICMP intpred(sgt), [[COPY]](<2 x s64>), [[BUILD_VECTOR]] + ; CHECK: [[UV:%[0-9]+]]:_(s1), [[UV1:%[0-9]+]]:_(s1) = G_UNMERGE_VALUES [[ICMP]](<2 x s1>) + ; CHECK: [[UV2:%[0-9]+]]:_(s64), [[UV3:%[0-9]+]]:_(s64) = G_UNMERGE_VALUES [[COPY1]](<2 x s64>) + ; CHECK: [[UV4:%[0-9]+]]:_(s64), [[UV5:%[0-9]+]]:_(s64) = G_UNMERGE_VALUES [[COPY]](<2 x s64>) + ; CHECK: [[SELECT:%[0-9]+]]:_(s64) = G_SELECT [[UV]](s1), [[UV2]], [[UV4]] + ; CHECK: [[SELECT1:%[0-9]+]]:_(s64) = G_SELECT [[UV1]](s1), [[UV3]], [[UV5]] + ; CHECK: [[BUILD_VECTOR1:%[0-9]+]]:_(<2 x s64>) = G_BUILD_VECTOR [[SELECT]](s64), [[SELECT1]](s64) + ; CHECK: $q0 = COPY [[BUILD_VECTOR1]](<2 x s64>) + ; CHECK: RET_ReallyLR implicit $q0 + %0:_(<2 x s64>) = COPY $q0 + %1:_(<2 x s64>) = COPY $q1 + %3:_(s64) = G_CONSTANT i64 0 + %2:_(<2 x s64>) = G_BUILD_VECTOR %3(s64), %3(s64) + %4:_(<2 x s1>) = G_ICMP intpred(sgt), %0(<2 x s64>), %2 + %5:_(<2 x s64>) = G_SELECT %4(<2 x s1>), %1, %0 + $q0 = COPY %5(<2 x s64>) + RET_ReallyLR implicit $q0 + +... +--- +name: v2s32 +alignment: 2 +tracksRegLiveness: true +body: | + bb.0: + liveins: $d0, $d1 + + ; CHECK-LABEL: name: v2s32 + ; CHECK: liveins: $d0, $d1 + ; CHECK: [[COPY:%[0-9]+]]:_(<2 x s32>) = COPY $d0 + ; CHECK: [[COPY1:%[0-9]+]]:_(<2 x s32>) = COPY $d1 + ; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0 + ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[C]](s32), [[C]](s32) + ; CHECK: [[ICMP:%[0-9]+]]:_(<2 x s1>) = G_ICMP intpred(sgt), [[COPY]](<2 x s32>), [[BUILD_VECTOR]] + ; CHECK: [[UV:%[0-9]+]]:_(s1), [[UV1:%[0-9]+]]:_(s1) = G_UNMERGE_VALUES [[ICMP]](<2 x s1>) + ; CHECK: [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY1]](<2 x s32>) + ; CHECK: [[UV4:%[0-9]+]]:_(s32), [[UV5:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](<2 x s32>) + ; CHECK: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[UV]](s1), [[UV2]], [[UV4]] + ; CHECK: [[SELECT1:%[0-9]+]]:_(s32) = G_SELECT [[UV1]](s1), [[UV3]], [[UV5]] + ; CHECK: [[BUILD_VECTOR1:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[SELECT]](s32), [[SELECT1]](s32) + ; CHECK: $d0 = COPY [[BUILD_VECTOR1]](<2 x s32>) + ; CHECK: RET_ReallyLR implicit $d0 + %0:_(<2 x s32>) = COPY $d0 + %1:_(<2 x s32>) = COPY $d1 + %3:_(s32) = G_CONSTANT i32 0 + %2:_(<2 x s32>) = G_BUILD_VECTOR %3(s32), %3(s32) + %4:_(<2 x s1>) = G_ICMP intpred(sgt), %0(<2 x s32>), %2 + %5:_(<2 x s32>) = G_SELECT %4(<2 x s1>), %1, %0 + $d0 = COPY %5(<2 x s32>) + RET_ReallyLR implicit $d0 + +...