llvm-project/llvm/test/CodeGen/X86/GlobalISel/legalize-fpext-scalar.mir

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# RUN: llc -mtriple=x86_64-linux-gnu -global-isel -run-pass=legalizer %s -o - | FileCheck %s --check-prefix=ALL
--- |
define double @test(float %a) {
entry:
%conv = fpext float %a to double
ret double %conv
}
...
---
name: test
# ALL-LABEL: name: test
alignment: 4
legalized: false
regBankSelected: false
registers:
- { id: 0, class: _, preferred-register: '' }
- { id: 1, class: _, preferred-register: '' }
# ALL: %0(s32) = COPY %xmm0
# ALL-NEXT: %1(s64) = G_FPEXT %0(s32)
# ALL-NEXT: %xmm0 = COPY %1(s64)
# ALL-NEXT: RET 0, implicit %xmm0
body: |
bb.1.entry:
liveins: %xmm0
%0(s32) = COPY %xmm0
%1(s64) = G_FPEXT %0(s32)
%xmm0 = COPY %1(s64)
RET 0, implicit %xmm0
...