35 lines
1.4 KiB
LLVM
35 lines
1.4 KiB
LLVM
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; Check that the MVCLoop (memcpy) is marked as clobbering CC, so that it will
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; not be placed betwen two compare and load-on-condition instructions.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 -pre-RA-sched=list-ilp \
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; RUN: -print-after=finalize-isel 2>&1 | FileCheck %s
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;
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; CHECK-LABEL: bb.0.bb:
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; CHECK: CLI
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; CHECK: LOCGHI
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; CHECK-LABEL: bb.2.bb:
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; CHECK: MVC
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@.str.35 = external dso_local unnamed_addr constant [9 x i8], align 2
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@func_38.l_1854 = external dso_local unnamed_addr constant [7 x [10 x [3 x i64**]]], align 8
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; Function Attrs: nounwind
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define dso_local signext i32 @main(i32 signext %arg, i8** nocapture readonly %arg1) local_unnamed_addr #0 {
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bb:
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%tmp = load i8, i8* undef, align 1
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%tmp2 = zext i8 %tmp to i32
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%tmp3 = sub nsw i32 0, %tmp2
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%tmp4 = icmp eq i32 %tmp3, 0
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%tmp5 = zext i1 %tmp4 to i32
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call void @llvm.memcpy.p0i8.p0i8.i64(i8* nonnull align 8 undef, i8* align 8 bitcast ([7 x [10 x [3 x i64**]]]* @func_38.l_1854 to i8*), i64 1680, i1 false) #2
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call fastcc void @transparent_crc(i64 undef, i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.35, i64 0, i64 0), i32 signext %tmp5)
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unreachable
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}
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; Function Attrs: nounwind
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declare dso_local fastcc void @transparent_crc(i64, i8*, i32 signext) unnamed_addr #0
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; Function Attrs: argmemonly nounwind
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declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture writeonly, i8* nocapture readonly, i64, i1) #1
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