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9cac4e6d14
This allows targets to make more decisions about reserved registers after isel. For example, now it should be certain there are calls or stack objects in the frame or not, which could have been introduced by legalization. Patch by Matthias Braun llvm-svn: 363757
23 lines
1.1 KiB
LLVM
23 lines
1.1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -fast-isel -fast-isel-abort=3 -mtriple=x86_64-apple-darwin10 -stop-after=finalize-isel | FileCheck %s
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; Make sure we output the right kill flag for the xor conversion.
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define void @goo(double* %x, double* %y) nounwind {
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; CHECK: %[[REG2:.*]]:gr64 = COPY $rsi
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; CHECK-NEXT: %[[REG0:.*]]:gr64 = COPY $rdi
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; CHECK-NEXT: %[[REG1:.*]]:gr64 = COPY killed %[[REG0]]
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; CHECK-NEXT: %[[REG3:.*]]:gr64 = COPY killed %[[REG2]]
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; CHECK-NEXT: %[[REG10:.*]]:fr64 = MOVSDrm_alt %[[REG1]], 1, $noreg, 0, $noreg :: (load 8 from %ir.x)
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; CHECK-NEXT: %[[REG6:.*]]:gr64 = MOVSDto64rr killed %[[REG10]]
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; CHECK-NEXT: %[[REG7:.*]]:gr64 = MOV64ri -9223372036854775808
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; CHECK-NEXT: %[[REG8:.*]]:gr64 = XOR64rr killed %[[REG6]], %[[REG7]], implicit-def $eflags
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; CHECK-NEXT: %[[REG9:.*]]:fr64 = MOV64toSDrr killed %[[REG8]]
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; CHECK-NEXT: MOVSDmr %[[REG3]], 1, $noreg, 0, $noreg, killed %[[REG9]] :: (store 8 into %ir.y)
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; CHECK-NEXT: RETQ
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%a = load double, double* %x
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%b = fsub double -0.0, %a
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store double %b, double* %y
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ret void
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}
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