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d8564063fd
Code that doesn't use floating point and doesn't use SSE (kernel code) shouldn't save and restore SSE registers. Fixes PR30503 llvm-svn: 282819
31 lines
648 B
LLVM
31 lines
648 B
LLVM
; RUN: llc < %s -mattr="-sse,-mmx,+soft-float" | FileCheck %s
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; CHECK: peach:
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; CHECK: pushq %rsi
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; CHECK: pushq %rdi
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; CHECK-NOT: movaps
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; CHECK: callq banana
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; CHECK-NOT: movaps
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; CHECK: popq %rdi
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; CHECK: popq %rsi
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; CHECK: retq
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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; Function Attrs: uwtable
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define internal i64 @banana() unnamed_addr #0 {
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entry-block:
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ret i64 0
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}
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; Function Attrs: nounwind uwtable
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define x86_64_win64cc i64 @peach() unnamed_addr #1 {
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entry-block:
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%0 = call i64 @banana()
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ret i64 %0
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}
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attributes #0 = { uwtable }
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attributes #1 = { nounwind uwtable }
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