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9205705478
What we really want is to enable Swift by default for *v7s triples (and there already seems to be some logic which attempts to do that). In that case the iOS version doesn't matter. llvm-svn: 189763
91 lines
2.5 KiB
LLVM
91 lines
2.5 KiB
LLVM
; RUN: llc < %s -mtriple=armv7-apple-ios6.0 | FileCheck %s
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; rdar://9877866
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%struct.SmallStruct = type { i32, [8 x i32], [37 x i8] }
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%struct.LargeStruct = type { i32, [1001 x i8], [300 x i32] }
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define i32 @f() nounwind ssp {
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entry:
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; CHECK-LABEL: f:
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; CHECK: ldr
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; CHECK: str
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; CHECK-NOT:bne
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%st = alloca %struct.SmallStruct, align 4
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%call = call i32 @e1(%struct.SmallStruct* byval %st)
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ret i32 0
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}
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; Generate a loop for large struct byval
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define i32 @g() nounwind ssp {
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entry:
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; CHECK-LABEL: g:
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; CHECK: ldr
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; CHECK: sub
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; CHECK: str
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; CHECK: bne
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%st = alloca %struct.LargeStruct, align 4
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%call = call i32 @e2(%struct.LargeStruct* byval %st)
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ret i32 0
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}
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; Generate a loop using NEON instructions
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define i32 @h() nounwind ssp {
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entry:
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; CHECK-LABEL: h:
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; CHECK: vld1
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; CHECK: sub
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; CHECK: vst1
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; CHECK: bne
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%st = alloca %struct.LargeStruct, align 16
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%call = call i32 @e3(%struct.LargeStruct* byval align 16 %st)
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ret i32 0
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}
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declare i32 @e1(%struct.SmallStruct* nocapture byval %in) nounwind
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declare i32 @e2(%struct.LargeStruct* nocapture byval %in) nounwind
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declare i32 @e3(%struct.LargeStruct* nocapture byval align 16 %in) nounwind
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; rdar://12442472
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; We can't do tail call since address of s is passed to the callee and part of
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; s is in caller's local frame.
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define void @f3(%struct.SmallStruct* nocapture byval %s) nounwind optsize {
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; CHECK: f3
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; CHECK: bl _consumestruct
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entry:
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%0 = bitcast %struct.SmallStruct* %s to i8*
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tail call void @consumestruct(i8* %0, i32 80) optsize
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ret void
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}
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define void @f4(%struct.SmallStruct* nocapture byval %s) nounwind optsize {
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; CHECK: f4
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; CHECK: bl _consumestruct
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entry:
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%addr = getelementptr inbounds %struct.SmallStruct* %s, i32 0, i32 0
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%0 = bitcast i32* %addr to i8*
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tail call void @consumestruct(i8* %0, i32 80) optsize
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ret void
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}
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; We can do tail call here since s is in the incoming argument area.
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define void @f5(i32 %a, i32 %b, i32 %c, i32 %d, %struct.SmallStruct* nocapture byval %s) nounwind optsize {
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; CHECK: f5
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; CHECK: b _consumestruct
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entry:
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%0 = bitcast %struct.SmallStruct* %s to i8*
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tail call void @consumestruct(i8* %0, i32 80) optsize
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ret void
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}
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define void @f6(i32 %a, i32 %b, i32 %c, i32 %d, %struct.SmallStruct* nocapture byval %s) nounwind optsize {
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; CHECK: f6
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; CHECK: b _consumestruct
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entry:
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%addr = getelementptr inbounds %struct.SmallStruct* %s, i32 0, i32 0
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%0 = bitcast i32* %addr to i8*
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tail call void @consumestruct(i8* %0, i32 80) optsize
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ret void
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}
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declare void @consumestruct(i8* nocapture %structp, i32 %structsize) nounwind
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