76 lines
2.5 KiB
LLVM
76 lines
2.5 KiB
LLVM
; RUN: llc < %s -mtriple=arm64-apple-ios7.0 -disable-post-ra | FileCheck %s
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define void @bar(<8 x i16> %arg, <8 x i8>* %p) nounwind {
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; CHECK-LABEL: bar:
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; CHECK: xtn.8b v[[REG:[0-9]+]], v0
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; CHECK-NEXT: str d[[REG]], [x0]
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; CHECK-NEXT: ret
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%tmp = trunc <8 x i16> %arg to <8 x i8>
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store <8 x i8> %tmp, <8 x i8>* %p, align 8
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ret void
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}
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@zptr8 = common global i8* null, align 8
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@zptr16 = common global i16* null, align 8
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@zptr32 = common global i32* null, align 8
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define void @fct32(i32 %arg, i64 %var) {
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; CHECK: fct32
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; CHECK: adrp [[GLOBALPAGE:x[0-9]+]], _zptr32@GOTPAGE
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; CHECK: ldr [[GLOBALOFF:x[0-9]+]], {{\[}}[[GLOBALPAGE]], _zptr32@GOTPAGEOFF]
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; CHECK: ldr [[GLOBALADDR:x[0-9]+]], {{\[}}[[GLOBALOFF]]]
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; w0 is %arg
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; CHECK-NEXT: sub w[[OFFSETREGNUM:[0-9]+]], w0, #1
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; w1 is %var truncated
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; CHECK-NEXT: str w1, {{\[}}[[GLOBALADDR]], w[[OFFSETREGNUM]], sxtw #2]
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; CHECK-NEXT: ret
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bb:
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%.pre37 = load i32*, i32** @zptr32, align 8
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%dec = add nsw i32 %arg, -1
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%idxprom8 = sext i32 %dec to i64
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%arrayidx9 = getelementptr inbounds i32, i32* %.pre37, i64 %idxprom8
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%tmp = trunc i64 %var to i32
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store i32 %tmp, i32* %arrayidx9, align 4
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ret void
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}
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define void @fct16(i32 %arg, i64 %var) {
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; CHECK: fct16
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; CHECK: adrp [[GLOBALPAGE:x[0-9]+]], _zptr16@GOTPAGE
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; CHECK: ldr [[GLOBALOFF:x[0-9]+]], {{\[}}[[GLOBALPAGE]], _zptr16@GOTPAGEOFF]
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; CHECK: ldr [[GLOBALADDR:x[0-9]+]], {{\[}}[[GLOBALOFF]]]
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; w0 is %arg
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; CHECK-NEXT: sub w[[OFFSETREGNUM:[0-9]+]], w0, #1
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; w1 is %var truncated
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; CHECK-NEXT: strh w1, {{\[}}[[GLOBALADDR]], w[[OFFSETREGNUM]], sxtw #1]
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; CHECK-NEXT: ret
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bb:
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%.pre37 = load i16*, i16** @zptr16, align 8
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%dec = add nsw i32 %arg, -1
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%idxprom8 = sext i32 %dec to i64
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%arrayidx9 = getelementptr inbounds i16, i16* %.pre37, i64 %idxprom8
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%tmp = trunc i64 %var to i16
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store i16 %tmp, i16* %arrayidx9, align 4
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ret void
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}
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define void @fct8(i32 %arg, i64 %var) {
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; CHECK: fct8
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; CHECK: adrp [[GLOBALPAGE:x[0-9]+]], _zptr8@GOTPAGE
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; CHECK: ldr [[GLOBALOFF:x[0-9]+]], {{\[}}[[GLOBALPAGE]], _zptr8@GOTPAGEOFF]
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; CHECK: ldr [[BASEADDR:x[0-9]+]], {{\[}}[[GLOBALOFF]]]
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; w0 is %arg
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; CHECK-NEXT: add [[ADDR:x[0-9]+]], [[BASEADDR]], w0, sxtw
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; w1 is %var truncated
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; CHECK-NEXT: sturb w1, {{\[}}[[ADDR]], #-1]
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; CHECK-NEXT: ret
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bb:
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%.pre37 = load i8*, i8** @zptr8, align 8
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%dec = add nsw i32 %arg, -1
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%idxprom8 = sext i32 %dec to i64
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%arrayidx9 = getelementptr inbounds i8, i8* %.pre37, i64 %idxprom8
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%tmp = trunc i64 %var to i8
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store i8 %tmp, i8* %arrayidx9, align 4
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ret void
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}
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