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cd830aa42d
This is the dual problem to legalizing G_INSERTs so most of the code and testing was cribbed from there. llvm-svn: 306328
105 lines
2.4 KiB
YAML
105 lines
2.4 KiB
YAML
# RUN: llc -O0 -run-pass=legalizer -global-isel %s -o - | FileCheck %s
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--- |
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target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
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target triple = "aarch64--"
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define void @test_combines_2() { ret void }
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define void @test_combines_3() { ret void }
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define void @test_combines_4() { ret void }
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define void @test_combines_5() { ret void }
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define void @test_combines_6() { ret void }
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...
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---
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name: test_combines_2
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body: |
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bb.0:
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liveins: %w0
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%0:_(s32) = COPY %w0
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; Similarly, here the types don't match.
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; CHECK-LABEL: name: test_combines_2
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; CHECK: %2(s64) = G_MERGE_VALUES %0(s32), %1(s32)
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; CHECK: %3(s1) = G_EXTRACT %2(s64), 0
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; CHECK: %4(s64) = G_EXTRACT %2(s64), 0
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%1:_(s32) = G_ADD %0, %0
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%2:_(s64) = G_MERGE_VALUES %0, %1
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%3:_(s1) = G_EXTRACT %2, 0
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%4:_(s64) = G_EXTRACT %2, 0
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...
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---
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name: test_combines_3
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body: |
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bb.0:
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liveins: %w0
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%0:_(s32) = COPY %w0
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; CHECK-LABEL: name: test_combines_3
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; CHECK: %1(s32) = G_ADD %0, %0
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; CHECK-NOT: G_SEQUENCE
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; CHECK-NOT: G_EXTRACT
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; CHECK: %5(s32) = G_ADD %0, %1
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%1:_(s32) = G_ADD %0, %0
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%2:_(s64) = G_MERGE_VALUES %0, %1
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%3:_(s32), %4:_(s32) = G_UNMERGE_VALUES %2
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%5:_(s32) = G_ADD %3, %4
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...
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---
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name: test_combines_4
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body: |
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bb.0:
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liveins: %x0
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%0:_(s64) = COPY %x0
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; CHECK-LABEL: name: test_combines_4
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; CHECK: %2(s64) = COPY %0(s64)
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; CHECK: %3(s64) = G_ADD %2, %2
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%1:_(s128) = G_MERGE_VALUES %0, %0
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%2:_(s64) = G_EXTRACT %1, 0
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%3:_(s64) = G_ADD %2, %2
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...
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---
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name: test_combines_5
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body: |
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bb.0:
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liveins: %w0
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%0:_(s32) = COPY %w0
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; CHECK-LABEL: name: test_combines_5
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; CHECK-NOT: G_MERGE_VALUES
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; CHECK-NOT: G_EXTRACT
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; CHECK: %5(s32) = G_ADD %0, %1
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%1:_(s32) = G_ADD %0, %0
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%2:_(s64) = G_MERGE_VALUES %0, %1
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%3:_(s32), %4:_(s32) = G_UNMERGE_VALUES %2
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%5:_(s32) = G_ADD %3, %4
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...
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---
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name: test_combines_6
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body: |
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bb.0:
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liveins: %w0
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; CHECK-LABEL: name: test_combines_6
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; CHECK: %0(s32) = COPY %w0
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%0:_(s32) = COPY %w0
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; Check that we replace all the uses of a G_EXTRACT.
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; CHECK-NOT: G_MERGE_VALUES
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; CHECK-NOT: G_EXTRACT
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; CHECK: %3(s32) = G_MUL %0, %0
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; CHECK: %4(s32) = G_ADD %0, %3
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%1:_(s32) = G_MERGE_VALUES %0
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%2:_(s32) = G_UNMERGE_VALUES %1
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%3:_(s32) = G_MUL %2, %2
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%4:_(s32) = G_ADD %2, %3
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...
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