| # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py |
| # RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=tahiti -run-pass=amdgpu-postlegalizer-combiner -verify-machineinstrs %s -o - | FileCheck -check-prefix=GFX6 %s |
| # RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=gfx900 -run-pass=amdgpu-postlegalizer-combiner -verify-machineinstrs %s -o - | FileCheck -check-prefix=GFX9 %s |
| |
| # Can't narrow this; need known bits |
| --- |
| name: shl_s64_by_2_from_anyext_s32 |
| tracksRegLiveness: true |
| legalized: true |
| body: | |
| bb.0: |
| liveins: $vgpr0 |
| |
| ; GFX6-LABEL: name: shl_s64_by_2_from_anyext_s32 |
| ; GFX6: liveins: $vgpr0 |
| ; GFX6: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0 |
| ; GFX6: [[ANYEXT:%[0-9]+]]:_(s64) = G_ANYEXT [[COPY]](s32) |
| ; GFX6: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2 |
| ; GFX6: [[SHL:%[0-9]+]]:_(s64) = G_SHL [[ANYEXT]], [[C]](s32) |
| ; GFX6: $vgpr0_vgpr1 = COPY [[SHL]](s64) |
| ; GFX9-LABEL: name: shl_s64_by_2_from_anyext_s32 |
| ; GFX9: liveins: $vgpr0 |
| ; GFX9: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0 |
| ; GFX9: [[ANYEXT:%[0-9]+]]:_(s64) = G_ANYEXT [[COPY]](s32) |
| ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2 |
| ; GFX9: [[SHL:%[0-9]+]]:_(s64) = G_SHL [[ANYEXT]], [[C]](s32) |
| ; GFX9: $vgpr0_vgpr1 = COPY [[SHL]](s64) |
| %0:_(s32) = COPY $vgpr0 |
| %1:_(s64) = G_ANYEXT %0 |
| %2:_(s32) = G_CONSTANT i32 2 |
| %3:_(s64) = G_SHL %1, %2 |
| $vgpr0_vgpr1 = COPY %3 |
| ... |
| |
| # Can't narrow this; need known bits |
| --- |
| name: shl_s64_by_2_from_sext_s32 |
| tracksRegLiveness: true |
| legalized: true |
| body: | |
| bb.0: |
| liveins: $vgpr0 |
| |
| ; GFX6-LABEL: name: shl_s64_by_2_from_sext_s32 |
| ; GFX6: liveins: $vgpr0 |
| ; GFX6: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0 |
| ; GFX6: [[SEXT:%[0-9]+]]:_(s64) = G_SEXT [[COPY]](s32) |
| ; GFX6: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2 |
| ; GFX6: [[SHL:%[0-9]+]]:_(s64) = G_SHL [[SEXT]], [[C]](s32) |
| ; GFX6: $vgpr0_vgpr1 = COPY [[SHL]](s64) |
| ; GFX9-LABEL: name: shl_s64_by_2_from_sext_s32 |
| ; GFX9: liveins: $vgpr0 |
| ; GFX9: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0 |
| ; GFX9: [[SEXT:%[0-9]+]]:_(s64) = G_SEXT [[COPY]](s32) |
| ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2 |
| ; GFX9: [[SHL:%[0-9]+]]:_(s64) = G_SHL [[SEXT]], [[C]](s32) |
| ; GFX9: $vgpr0_vgpr1 = COPY [[SHL]](s64) |
| %0:_(s32) = COPY $vgpr0 |
| %1:_(s64) = G_SEXT %0 |
| %2:_(s32) = G_CONSTANT i32 2 |
| %3:_(s64) = G_SHL %1, %2 |
| $vgpr0_vgpr1 = COPY %3 |
| ... |
| |
| # Can't narrow this; need known bits |
| --- |
| name: shl_s64_by_2_from_zext_s32 |
| tracksRegLiveness: true |
| legalized: true |
| body: | |
| bb.0: |
| liveins: $vgpr0 |
| |
| ; GFX6-LABEL: name: shl_s64_by_2_from_zext_s32 |
| ; GFX6: liveins: $vgpr0 |
| ; GFX6: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0 |
| ; GFX6: [[ZEXT:%[0-9]+]]:_(s64) = G_ZEXT [[COPY]](s32) |
| ; GFX6: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2 |
| ; GFX6: [[SHL:%[0-9]+]]:_(s64) = G_SHL [[ZEXT]], [[C]](s32) |
| ; GFX6: $vgpr0_vgpr1 = COPY [[SHL]](s64) |
| ; GFX9-LABEL: name: shl_s64_by_2_from_zext_s32 |
| ; GFX9: liveins: $vgpr0 |
| ; GFX9: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0 |
| ; GFX9: [[ZEXT:%[0-9]+]]:_(s64) = G_ZEXT [[COPY]](s32) |
| ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2 |
| ; GFX9: [[SHL:%[0-9]+]]:_(s64) = G_SHL [[ZEXT]], [[C]](s32) |
| ; GFX9: $vgpr0_vgpr1 = COPY [[SHL]](s64) |
| %0:_(s32) = COPY $vgpr0 |
| %1:_(s64) = G_ZEXT %0 |
| %2:_(s32) = G_CONSTANT i32 2 |
| %3:_(s64) = G_SHL %1, %2 |
| $vgpr0_vgpr1 = COPY %3 |
| ... |
| |
| --- |
| name: narrow_shl_s64_by_2_from_anyext_s32 |
| tracksRegLiveness: true |
| legalized: true |
| body: | |
| bb.0: |
| liveins: $vgpr0 |
| |
| ; GFX6-LABEL: name: narrow_shl_s64_by_2_from_anyext_s32 |
| ; GFX6: liveins: $vgpr0 |
| ; GFX6: %narrow:_(s32) = COPY $vgpr0 |
| ; GFX6: %masklow30:_(s32) = G_CONSTANT i32 1073741823 |
| ; GFX6: %masked:_(s32) = G_AND %narrow, %masklow30 |
| ; GFX6: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2 |
| ; GFX6: [[SHL:%[0-9]+]]:_(s32) = G_SHL %masked, [[C]](s32) |
| ; GFX6: %shl:_(s64) = G_ZEXT [[SHL]](s32) |
| ; GFX6: $vgpr0_vgpr1 = COPY %shl(s64) |
| ; GFX9-LABEL: name: narrow_shl_s64_by_2_from_anyext_s32 |
| ; GFX9: liveins: $vgpr0 |
| ; GFX9: %narrow:_(s32) = COPY $vgpr0 |
| ; GFX9: %masklow30:_(s32) = G_CONSTANT i32 1073741823 |
| ; GFX9: %masked:_(s32) = G_AND %narrow, %masklow30 |
| ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2 |
| ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL %masked, [[C]](s32) |
| ; GFX9: %shl:_(s64) = G_ZEXT [[SHL]](s32) |
| ; GFX9: $vgpr0_vgpr1 = COPY %shl(s64) |
| %narrow:_(s32) = COPY $vgpr0 |
| %masklow30:_(s32) = G_CONSTANT i32 1073741823 |
| %masked:_(s32) = G_AND %narrow, %masklow30 |
| %extend:_(s64) = G_ANYEXT %masked |
| %shiftamt:_(s32) = G_CONSTANT i32 2 |
| %shl:_(s64) = G_SHL %extend, %shiftamt |
| $vgpr0_vgpr1 = COPY %shl |
| ... |
| |
| --- |
| name: narrow_shl_s64_by_2_from_zext_s32 |
| tracksRegLiveness: true |
| legalized: true |
| body: | |
| bb.0: |
| liveins: $vgpr0 |
| |
| ; GFX6-LABEL: name: narrow_shl_s64_by_2_from_zext_s32 |
| ; GFX6: liveins: $vgpr0 |
| ; GFX6: %narrow:_(s32) = COPY $vgpr0 |
| ; GFX6: %masklow30:_(s32) = G_CONSTANT i32 1073741823 |
| ; GFX6: %masked:_(s32) = G_AND %narrow, %masklow30 |
| ; GFX6: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2 |
| ; GFX6: [[SHL:%[0-9]+]]:_(s32) = G_SHL %masked, [[C]](s32) |
| ; GFX6: %shl:_(s64) = G_ZEXT [[SHL]](s32) |
| ; GFX6: $vgpr0_vgpr1 = COPY %shl(s64) |
| ; GFX9-LABEL: name: narrow_shl_s64_by_2_from_zext_s32 |
| ; GFX9: liveins: $vgpr0 |
| ; GFX9: %narrow:_(s32) = COPY $vgpr0 |
| ; GFX9: %masklow30:_(s32) = G_CONSTANT i32 1073741823 |
| ; GFX9: %masked:_(s32) = G_AND %narrow, %masklow30 |
| ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2 |
| ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL %masked, [[C]](s32) |
| ; GFX9: %shl:_(s64) = G_ZEXT [[SHL]](s32) |
| ; GFX9: $vgpr0_vgpr1 = COPY %shl(s64) |
| %narrow:_(s32) = COPY $vgpr0 |
| %masklow30:_(s32) = G_CONSTANT i32 1073741823 |
| %masked:_(s32) = G_AND %narrow, %masklow30 |
| %extend:_(s64) = G_ZEXT %masked |
| %shiftamt:_(s32) = G_CONSTANT i32 2 |
| %shl:_(s64) = G_SHL %extend, %shiftamt |
| $vgpr0_vgpr1 = COPY %shl |
| ... |
| |
| --- |
| name: narrow_shl_s64_by_2_from_sext_s32 |
| tracksRegLiveness: true |
| legalized: true |
| body: | |
| bb.0: |
| liveins: $vgpr0 |
| |
| ; GFX6-LABEL: name: narrow_shl_s64_by_2_from_sext_s32 |
| ; GFX6: liveins: $vgpr0 |
| ; GFX6: %narrow:_(s32) = COPY $vgpr0 |
| ; GFX6: %masklow30:_(s32) = G_CONSTANT i32 1073741823 |
| ; GFX6: %masked:_(s32) = G_AND %narrow, %masklow30 |
| ; GFX6: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2 |
| ; GFX6: [[SHL:%[0-9]+]]:_(s32) = G_SHL %masked, [[C]](s32) |
| ; GFX6: %shl:_(s64) = G_ZEXT [[SHL]](s32) |
| ; GFX6: $vgpr0_vgpr1 = COPY %shl(s64) |
| ; GFX9-LABEL: name: narrow_shl_s64_by_2_from_sext_s32 |
| ; GFX9: liveins: $vgpr0 |
| ; GFX9: %narrow:_(s32) = COPY $vgpr0 |
| ; GFX9: %masklow30:_(s32) = G_CONSTANT i32 1073741823 |
| ; GFX9: %masked:_(s32) = G_AND %narrow, %masklow30 |
| ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2 |
| ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL %masked, [[C]](s32) |
| ; GFX9: %shl:_(s64) = G_ZEXT [[SHL]](s32) |
| ; GFX9: $vgpr0_vgpr1 = COPY %shl(s64) |
| %narrow:_(s32) = COPY $vgpr0 |
| %masklow30:_(s32) = G_CONSTANT i32 1073741823 |
| %masked:_(s32) = G_AND %narrow, %masklow30 |
| %extend:_(s64) = G_SEXT %masked |
| %shiftamt:_(s32) = G_CONSTANT i32 2 |
| %shl:_(s64) = G_SHL %extend, %shiftamt |
| $vgpr0_vgpr1 = COPY %shl |
| ... |
| |
| --- |
| name: narrow_shl_s64_by_2_from_zext_s32_lookthrough_amount |
| tracksRegLiveness: true |
| legalized: true |
| body: | |
| bb.0: |
| liveins: $vgpr0 |
| |
| ; GFX6-LABEL: name: narrow_shl_s64_by_2_from_zext_s32_lookthrough_amount |
| ; GFX6: liveins: $vgpr0 |
| ; GFX6: %narrow:_(s32) = COPY $vgpr0 |
| ; GFX6: %masklow30:_(s32) = G_CONSTANT i32 1073741823 |
| ; GFX6: %masked:_(s32) = G_AND %narrow, %masklow30 |
| ; GFX6: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2 |
| ; GFX6: [[SHL:%[0-9]+]]:_(s32) = G_SHL %masked, [[C]](s32) |
| ; GFX6: %shl:_(s64) = G_ZEXT [[SHL]](s32) |
| ; GFX6: $vgpr0_vgpr1 = COPY %shl(s64) |
| ; GFX9-LABEL: name: narrow_shl_s64_by_2_from_zext_s32_lookthrough_amount |
| ; GFX9: liveins: $vgpr0 |
| ; GFX9: %narrow:_(s32) = COPY $vgpr0 |
| ; GFX9: %masklow30:_(s32) = G_CONSTANT i32 1073741823 |
| ; GFX9: %masked:_(s32) = G_AND %narrow, %masklow30 |
| ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2 |
| ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL %masked, [[C]](s32) |
| ; GFX9: %shl:_(s64) = G_ZEXT [[SHL]](s32) |
| ; GFX9: $vgpr0_vgpr1 = COPY %shl(s64) |
| %narrow:_(s32) = COPY $vgpr0 |
| %masklow30:_(s32) = G_CONSTANT i32 1073741823 |
| %masked:_(s32) = G_AND %narrow, %masklow30 |
| %extend:_(s64) = G_ZEXT %masked |
| %shiftamt64:_(s64) = G_CONSTANT i64 2 |
| %shiftamt:_(s32) = G_TRUNC %shiftamt64 |
| %shl:_(s64) = G_SHL %extend, %shiftamt |
| $vgpr0_vgpr1 = COPY %shl |
| ... |
| |
| # Can't introduce a 16-bit shift before gfx8 |
| --- |
| name: narrow_shl_s32_by_2_from_zext_s16 |
| tracksRegLiveness: true |
| legalized: true |
| body: | |
| bb.0: |
| liveins: $vgpr0 |
| |
| ; GFX6-LABEL: name: narrow_shl_s32_by_2_from_zext_s16 |
| ; GFX6: liveins: $vgpr0 |
| ; GFX6: %argument:_(s32) = COPY $vgpr0 |
| ; GFX6: %narrow:_(s16) = G_TRUNC %argument(s32) |
| ; GFX6: %masklow14:_(s16) = G_CONSTANT i16 16383 |
| ; GFX6: %masked:_(s16) = G_AND %narrow, %masklow14 |
| ; GFX6: %extend:_(s32) = G_ZEXT %masked(s16) |
| ; GFX6: %shiftamt:_(s32) = G_CONSTANT i32 2 |
| ; GFX6: %shl:_(s32) = G_SHL %extend, %shiftamt(s32) |
| ; GFX6: $vgpr0 = COPY %shl(s32) |
| ; GFX9-LABEL: name: narrow_shl_s32_by_2_from_zext_s16 |
| ; GFX9: liveins: $vgpr0 |
| ; GFX9: %argument:_(s32) = COPY $vgpr0 |
| ; GFX9: %narrow:_(s16) = G_TRUNC %argument(s32) |
| ; GFX9: %masklow14:_(s16) = G_CONSTANT i16 16383 |
| ; GFX9: %masked:_(s16) = G_AND %narrow, %masklow14 |
| ; GFX9: [[C:%[0-9]+]]:_(s16) = G_CONSTANT i16 2 |
| ; GFX9: [[SHL:%[0-9]+]]:_(s16) = G_SHL %masked, [[C]](s16) |
| ; GFX9: %shl:_(s32) = G_ZEXT [[SHL]](s16) |
| ; GFX9: $vgpr0 = COPY %shl(s32) |
| %argument:_(s32) = COPY $vgpr0 |
| %narrow:_(s16) = G_TRUNC %argument |
| %masklow14:_(s16) = G_CONSTANT i16 16383 |
| %masked:_(s16) = G_AND %narrow, %masklow14 |
| %extend:_(s32) = G_ZEXT %masked |
| %shiftamt:_(s32) = G_CONSTANT i32 2 |
| %shl:_(s32) = G_SHL %extend, %shiftamt |
| $vgpr0 = COPY %shl |
| ... |
| |
| --- |
| name: narrow_shl_s64_by_2_from_zext_s16 |
| tracksRegLiveness: true |
| legalized: true |
| body: | |
| bb.0: |
| liveins: $vgpr0 |
| |
| ; GFX6-LABEL: name: narrow_shl_s64_by_2_from_zext_s16 |
| ; GFX6: liveins: $vgpr0 |
| ; GFX6: %argument:_(s32) = COPY $vgpr0 |
| ; GFX6: %narrow:_(s16) = G_TRUNC %argument(s32) |
| ; GFX6: %masklow14:_(s16) = G_CONSTANT i16 16383 |
| ; GFX6: %masked:_(s16) = G_AND %narrow, %masklow14 |
| ; GFX6: %extend:_(s64) = G_ZEXT %masked(s16) |
| ; GFX6: %shiftamt:_(s32) = G_CONSTANT i32 2 |
| ; GFX6: %shl:_(s64) = G_SHL %extend, %shiftamt(s32) |
| ; GFX6: $vgpr0_vgpr1 = COPY %shl(s64) |
| ; GFX9-LABEL: name: narrow_shl_s64_by_2_from_zext_s16 |
| ; GFX9: liveins: $vgpr0 |
| ; GFX9: %argument:_(s32) = COPY $vgpr0 |
| ; GFX9: %narrow:_(s16) = G_TRUNC %argument(s32) |
| ; GFX9: %masklow14:_(s16) = G_CONSTANT i16 16383 |
| ; GFX9: %masked:_(s16) = G_AND %narrow, %masklow14 |
| ; GFX9: [[C:%[0-9]+]]:_(s16) = G_CONSTANT i16 2 |
| ; GFX9: [[SHL:%[0-9]+]]:_(s16) = G_SHL %masked, [[C]](s16) |
| ; GFX9: %shl:_(s64) = G_ZEXT [[SHL]](s16) |
| ; GFX9: $vgpr0_vgpr1 = COPY %shl(s64) |
| %argument:_(s32) = COPY $vgpr0 |
| %narrow:_(s16) = G_TRUNC %argument |
| %masklow14:_(s16) = G_CONSTANT i16 16383 |
| %masked:_(s16) = G_AND %narrow, %masklow14 |
| %extend:_(s64) = G_ZEXT %masked |
| %shiftamt:_(s32) = G_CONSTANT i32 2 |
| %shl:_(s64) = G_SHL %extend, %shiftamt |
| $vgpr0_vgpr1 = COPY %shl |
| ... |