95 lines
2.8 KiB
Plaintext
95 lines
2.8 KiB
Plaintext
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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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# RUN: llc -O0 -mtriple=aarch64 -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s
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#
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# Verify that we can fold compares into integer selects.
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#
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# This is an integer version of fold-fp-select.mir.
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#
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...
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---
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name: eq
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alignment: 4
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legalized: true
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regBankSelected: true
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $w0, $w1
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; CHECK-LABEL: name: eq
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; CHECK: liveins: $w0, $w1
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; CHECK: [[COPY:%[0-9]+]]:gpr32sp = COPY $w0
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; CHECK: [[COPY1:%[0-9]+]]:gpr32 = COPY $w1
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; CHECK: [[COPY2:%[0-9]+]]:gpr32 = COPY $wzr
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; CHECK: [[SUBSWri:%[0-9]+]]:gpr32 = SUBSWri [[COPY]], 0, 0, implicit-def $nzcv
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; CHECK: [[CSELWr:%[0-9]+]]:gpr32 = CSELWr [[COPY2]], [[COPY1]], 0, implicit $nzcv
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; CHECK: $w0 = COPY [[CSELWr]]
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; CHECK: RET_ReallyLR implicit $w0
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%0:gpr(s32) = COPY $w0
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%1:gpr(s32) = COPY $w1
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%2:gpr(s32) = G_CONSTANT i32 0
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%5:gpr(s32) = G_ICMP intpred(eq), %0(s32), %2
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%3:gpr(s1) = G_TRUNC %5(s32)
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%4:gpr(s32) = G_SELECT %3(s1), %2, %1
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$w0 = COPY %4(s32)
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RET_ReallyLR implicit $w0
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...
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---
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name: using_fcmp
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alignment: 4
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legalized: true
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regBankSelected: true
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $s0, $w0, $w1
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; CHECK-LABEL: name: using_fcmp
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; CHECK: liveins: $s0, $w0, $w1
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; CHECK: [[COPY:%[0-9]+]]:gpr32 = COPY $w1
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; CHECK: [[COPY1:%[0-9]+]]:fpr32 = COPY $s0
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; CHECK: [[COPY2:%[0-9]+]]:gpr32 = COPY $wzr
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; CHECK: FCMPSri [[COPY1]], implicit-def $nzcv
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; CHECK: [[CSELWr:%[0-9]+]]:gpr32 = CSELWr [[COPY2]], [[COPY]], 0, implicit $nzcv
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; CHECK: $w0 = COPY [[CSELWr]]
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; CHECK: RET_ReallyLR implicit $w0
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%1:gpr(s32) = COPY $w1
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%2:fpr(s32) = COPY $s0
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%3:fpr(s32) = G_FCONSTANT float 0.000000e+00
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%6:gpr(s32) = G_CONSTANT i32 0
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%7:gpr(s32) = G_FCMP floatpred(oeq), %2(s32), %3
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%4:gpr(s1) = G_TRUNC %7(s32)
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%5:gpr(s32) = G_SELECT %4(s1), %6, %1
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$w0 = COPY %5(s32)
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RET_ReallyLR implicit $w0
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...
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---
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name: csinc
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alignment: 4
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legalized: true
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regBankSelected: true
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $w0, $w1
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; CHECK-LABEL: name: csinc
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; CHECK: liveins: $w0, $w1
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; CHECK: [[COPY:%[0-9]+]]:gpr32common = COPY $w0
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; CHECK: [[SUBSWri:%[0-9]+]]:gpr32 = SUBSWri [[COPY]], 1, 0, implicit-def $nzcv
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; CHECK: [[CSINCWr:%[0-9]+]]:gpr32 = CSINCWr [[COPY]], $wzr, 0, implicit $nzcv
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; CHECK: $w0 = COPY [[CSINCWr]]
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; CHECK: RET_ReallyLR implicit $w0
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%0:gpr(s32) = COPY $w0
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%1:gpr(s32) = COPY $w1
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%2:gpr(s32) = G_CONSTANT i32 1
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%5:gpr(s32) = G_ICMP intpred(eq), %0(s32), %2
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%3:gpr(s1) = G_TRUNC %5(s32)
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%4:gpr(s32) = G_SELECT %3(s1), %0, %2
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$w0 = COPY %4(s32)
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RET_ReallyLR implicit $w0
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...
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