49 lines
1.9 KiB
LLVM
49 lines
1.9 KiB
LLVM
; RUN: llc -mtriple=x86_64-linux-gnu -mattr=-ermsb < %s -o - | FileCheck %s --check-prefix=ALL --check-prefix=NOFAST
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; RUN: llc -mtriple=x86_64-linux-gnu -mattr=+ermsb < %s -o - | FileCheck %s --check-prefix=ALL --check-prefix=FAST
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; RUN: llc -mtriple=i686-linux-gnu -mattr=-ermsb < %s -o - | FileCheck %s --check-prefix=ALL --check-prefix=NOFAST32
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; RUN: llc -mtriple=i686-linux-gnu -mattr=+ermsb < %s -o - | FileCheck %s --check-prefix=ALL --check-prefix=FAST
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; RUN: llc -mtriple=x86_64-linux-gnu -mcpu=generic < %s -o - | FileCheck %s --check-prefix=ALL --check-prefix=NOFAST
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; RUN: llc -mtriple=x86_64-linux-gnu -mcpu=haswell < %s -o - | FileCheck %s --check-prefix=ALL --check-prefix=FAST
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; RUN: llc -mtriple=x86_64-linux-gnu -mcpu=skylake < %s -o - | FileCheck %s --check-prefix=ALL --check-prefix=FAST
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; FIXME: The documentation states that ivybridge has ermsb, but this is not
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; enabled right now since I could not confirm by testing.
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; RUN: llc -mtriple=x86_64-linux-gnu -mcpu=ivybridge < %s -o - | FileCheck %s --check-prefix=ALL --check-prefix=NOFAST
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%struct.large = type { [4096 x i8] }
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declare void @foo(%struct.large* align 8 byval) nounwind
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define void @test1(%struct.large* nocapture %x) nounwind {
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call void @foo(%struct.large* align 8 byval %x)
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ret void
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; ALL-LABEL: test1:
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; NOFAST: rep;movsq
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; NOFAST32: rep;movsl
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; FAST: rep;movsb
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}
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define void @test2(%struct.large* nocapture %x) nounwind minsize {
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call void @foo(%struct.large* align 8 byval %x)
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ret void
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; ALL-LABEL: test2:
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; NOFAST: rep;movsq
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; NOFAST32: rep;movsl
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; FAST: rep;movsb
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}
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%struct.large_oddsize = type { [4095 x i8] }
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declare void @foo_oddsize(%struct.large_oddsize* align 8 byval) nounwind
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define void @test3(%struct.large_oddsize* nocapture %x) nounwind minsize {
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call void @foo_oddsize(%struct.large_oddsize* align 8 byval %x)
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ret void
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; ALL-LABEL: test3:
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; NOFAST: rep;movsb
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; NOFAST32: rep;movsb
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; FAST: rep;movsb
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}
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