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151 lines
4.6 KiB
151 lines
4.6 KiB
4 months ago
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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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# RUN: llc -O0 -mtriple=amdgcn-mesa-mesa3d -mcpu=tahiti -run-pass=legalizer %s -o - | FileCheck %s
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---
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name: trunc_s16_merge_s64_s32
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body: |
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bb.0:
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; Test that trunc(merge) with trunc-size < merge-source-size creates a trunc
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; of the merge source
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; CHECK-LABEL: name: trunc_s16_merge_s64_s32
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; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
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; CHECK: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
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; CHECK: $vgpr0 = COPY [[C]](s32)
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%0:_(s32) = G_CONSTANT i32 0
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%1:_(s32) = G_CONSTANT i32 1
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%2:_(s64) = G_MERGE_VALUES %0, %1
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%3:_(s16) = G_TRUNC %2
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%4:_(s32) = G_ANYEXT %3
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$vgpr0 = COPY %4
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...
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---
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name: trunc_s32_merge_s64_s32
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body: |
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bb.0:
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; Test that trunc(merge) with trunc-size == merge-source-size is eliminated
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; CHECK-LABEL: name: trunc_s32_merge_s64_s32
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; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
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; CHECK: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
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; CHECK: $vgpr0 = COPY [[C]](s32)
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%0:_(s32) = G_CONSTANT i32 0
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%1:_(s32) = G_CONSTANT i32 1
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%2:_(s64) = G_MERGE_VALUES %0, %1
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%3:_(s32) = G_TRUNC %2
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$vgpr0 = COPY %3
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...
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---
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name: trunc_s64_merge_s128_s32
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body: |
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bb.0:
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; Test that trunc(merge) with trunc-size > merge-source-size combines to a
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; smaller merge
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; CHECK-LABEL: name: trunc_s64_merge_s128_s32
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; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
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; CHECK: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
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; CHECK: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[C]](s32), [[C1]](s32)
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; CHECK: $vgpr0_vgpr1 = COPY [[MV]](s64)
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%0:_(s32) = G_CONSTANT i32 0
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%1:_(s32) = G_CONSTANT i32 1
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%2:_(s128) = G_MERGE_VALUES %0, %1, %0, %1
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%3:_(s64) = G_TRUNC %2
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$vgpr0_vgpr1 = COPY %3
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...
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---
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name: trunc_s32_merge_s128_p0
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body: |
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bb.0:
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; Test that trunc(merge) with a non-scalar merge source is not combined
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; CHECK-LABEL: name: trunc_s32_merge_s128_p0
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; CHECK: [[C:%[0-9]+]]:_(p0) = G_CONSTANT i64 0
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; CHECK: [[C1:%[0-9]+]]:_(p0) = G_CONSTANT i64 1
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; CHECK: [[MV:%[0-9]+]]:_(s128) = G_MERGE_VALUES [[C]](p0), [[C1]](p0)
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; CHECK: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[MV]](s128)
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; CHECK: $vgpr0 = COPY [[TRUNC]](s32)
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%0:_(p0) = G_CONSTANT i64 0
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%1:_(p0) = G_CONSTANT i64 1
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%2:_(s128) = G_MERGE_VALUES %0, %1
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%3:_(s32) = G_TRUNC %2
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$vgpr0 = COPY %3
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...
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---
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name: trunc_s64_merge_s128_p0
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body: |
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bb.0:
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; Test that trunc(merge) with a non-scalar merge source is not combined
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; CHECK-LABEL: name: trunc_s64_merge_s128_p0
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; CHECK: [[C:%[0-9]+]]:_(p0) = G_CONSTANT i64 0
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; CHECK: [[C1:%[0-9]+]]:_(p0) = G_CONSTANT i64 1
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; CHECK: [[MV:%[0-9]+]]:_(s128) = G_MERGE_VALUES [[C]](p0), [[C1]](p0)
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; CHECK: [[TRUNC:%[0-9]+]]:_(s64) = G_TRUNC [[MV]](s128)
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; CHECK: $vgpr0_vgpr1 = COPY [[TRUNC]](s64)
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%0:_(p0) = G_CONSTANT i64 0
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%1:_(p0) = G_CONSTANT i64 1
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%2:_(s128) = G_MERGE_VALUES %0, %1
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%3:_(s64) = G_TRUNC %2
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$vgpr0_vgpr1 = COPY %3
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...
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---
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name: trunc_s128_merge_s192_p0
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body: |
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bb.0:
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; Test that trunc(merge) with a non-scalar merge source is not combined
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; CHECK-LABEL: name: trunc_s128_merge_s192_p0
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; CHECK: [[C:%[0-9]+]]:_(p0) = G_CONSTANT i64 0
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; CHECK: [[C1:%[0-9]+]]:_(p0) = G_CONSTANT i64 1
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; CHECK: [[MV:%[0-9]+]]:_(s192) = G_MERGE_VALUES [[C]](p0), [[C1]](p0), [[C]](p0)
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; CHECK: [[TRUNC:%[0-9]+]]:_(s128) = G_TRUNC [[MV]](s192)
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; CHECK: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[TRUNC]](s128)
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%0:_(p0) = G_CONSTANT i64 0
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%1:_(p0) = G_CONSTANT i64 1
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%2:_(s192) = G_MERGE_VALUES %0, %1, %0
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%3:_(s128) = G_TRUNC %2
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$vgpr0_vgpr1_vgpr2_vgpr3 = COPY %3
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...
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---
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name: trunc_s68_merge_s128_s32
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body: |
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bb.0:
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; Test that trunc(merge) with trunc-size > merge-source-size and
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; trunc-size % merge-source-size != 0 can be combined after the G_TRUNCs
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; have been combined.
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; CHECK-LABEL: name: trunc_s68_merge_s128_s32
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; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
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; CHECK: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
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; CHECK: $vgpr0 = COPY [[C]](s32)
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%0:_(s32) = G_CONSTANT i32 0
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%1:_(s32) = G_CONSTANT i32 1
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%2:_(s128) = G_MERGE_VALUES %0, %1, %0, %1
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%3:_(s68) = G_TRUNC %2
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%4:_(s32) = G_TRUNC %3
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$vgpr0 = COPY %4
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...
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---
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name: trunc_trunc
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body: |
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bb.0:
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; Test that trunc(trunc) is combined to a single trunc
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; CHECK-LABEL: name: trunc_trunc
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; CHECK: [[DEF:%[0-9]+]]:_(s64) = G_IMPLICIT_DEF
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; CHECK: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[DEF]](s64)
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; CHECK: $vgpr0 = COPY [[TRUNC]](s32)
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%0:_(s64) = G_IMPLICIT_DEF
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%1:_(s48) = G_TRUNC %0
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%2:_(s32) = G_TRUNC %1
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$vgpr0 = COPY %2
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...
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