derek.holloway
7502bf64a4
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68 lines
2.1 KiB
LLVM
68 lines
2.1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=-sse2,-sse | FileCheck %s --check-prefix=NOSSE
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s --check-prefix=SSE
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@gf = global { float, float } zeroinitializer, align 8
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define void @f(<2 x float> noundef nofpclass(nan inf) %e.coerce) {
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; NOSSE-LABEL: f:
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; NOSSE: # %bb.0: # %entry
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; NOSSE-NEXT: flds {{[0-9]+}}(%rsp)
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; NOSSE-NEXT: flds {{[0-9]+}}(%rsp)
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; NOSSE-NEXT: movq gf@GOTPCREL(%rip), %rax
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; NOSSE-NEXT: fstps 4(%rax)
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; NOSSE-NEXT: fstps (%rax)
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; NOSSE-NEXT: retq
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;
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; SSE-LABEL: f:
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; SSE: # %bb.0: # %entry
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; SSE-NEXT: movq gf@GOTPCREL(%rip), %rax
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; SSE-NEXT: movlps %xmm0, (%rax)
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; SSE-NEXT: retq
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entry:
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store <2 x float> %e.coerce, ptr @gf, align 8
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ret void
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}
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define i32 @load_metadata(ptr %0) nounwind {
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; NOSSE-LABEL: load_metadata:
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; NOSSE: # %bb.0:
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; NOSSE-NEXT: movl (%rdi), %eax
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; NOSSE-NEXT: retq
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;
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; SSE-LABEL: load_metadata:
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; SSE: # %bb.0:
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; SSE-NEXT: movl (%rdi), %eax
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; SSE-NEXT: retq
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%f = load float, ptr %0, align 4, !nofpclass !{i32 3}
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%i = bitcast float %f to i32
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ret i32 %i
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}
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define i32 @load_metadata_fmaximumnum(ptr %0, ptr %1) nounwind {
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; NOSSE-LABEL: load_metadata_fmaximumnum:
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; NOSSE: # %bb.0:
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; NOSSE-NEXT: flds (%rdi)
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; NOSSE-NEXT: flds (%rsi)
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; NOSSE-NEXT: fxch %st(1)
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; NOSSE-NEXT: fucomi %st(1), %st
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; NOSSE-NEXT: fxch %st(1)
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; NOSSE-NEXT: fcmovnbe %st(1), %st
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; NOSSE-NEXT: fstp %st(1)
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; NOSSE-NEXT: fstps -{{[0-9]+}}(%rsp)
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; NOSSE-NEXT: movl -{{[0-9]+}}(%rsp), %eax
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; NOSSE-NEXT: retq
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;
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; SSE-LABEL: load_metadata_fmaximumnum:
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; SSE: # %bb.0:
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; SSE-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero
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; SSE-NEXT: maxss (%rsi), %xmm0
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; SSE-NEXT: movd %xmm0, %eax
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; SSE-NEXT: retq
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%f0 = load float, ptr %0, align 4, !nofpclass !{i32 99} ; 99 == (fcNan | fcZero)
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%f1 = load float, ptr %1, align 4, !nofpclass !{i32 99} ; 99 == (fcNan | fcZero)
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%min = call float @llvm.maximumnum.f32(float %f0, float %f1);
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%i = bitcast float %min to i32
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ret i32 %i
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}
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