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d2323fc295
The code in SelectionDAG::getMemset for some reason assumes the value passed to memset is an i32. This breaks the generated code for targets that only have registers smaller than 32 bits because the value might get split into multiple registers by the calling convention. See the test for the MSP430 target included in the patch for an example. This patch ensures that nothing is assumed about the type of the value. Instead, the type is taken from the selected overload of the llvm.memset intrinsic. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@216716 91177308-0d34-0410-b5e6-96231b3b80d8
23 lines
579 B
LLVM
23 lines
579 B
LLVM
; RUN: llc < %s | FileCheck %s
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target datalayout = "e-p:16:16:16-i8:8:8-i16:16:16-i32:16:32-n8:16"
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target triple = "msp430---elf"
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@buf = external global i8*
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; Function Attrs: nounwind
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define void @test() nounwind {
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entry:
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; CHECK-LABEL: test:
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%0 = load i8** @buf, align 2
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; CHECK: mov.w &buf, r15
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; CHECK-NEXT: mov.w #5, r14
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; CHECK-NEXT: mov.w #128, r13
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; CHECK-NEXT: call #memset
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call void @llvm.memset.p0i8.i16(i8* %0, i8 5, i16 128, i32 1, i1 false)
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ret void
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}
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; Function Attrs: nounwind
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declare void @llvm.memset.p0i8.i16(i8* nocapture, i8, i16, i32, i1) nounwind
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