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64 lines
2.3 KiB
LLVM
64 lines
2.3 KiB
LLVM
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; RUN: llc < %s -mcpu cortex-a53 -mtriple=aarch64-eabi | FileCheck %s --check-prefix=A53
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; PR26827 - Merge stores causes wrong dependency.
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%struct1 = type { %struct1*, %struct1*, i32, i32, i16, i16, void (i32, i32, i8*)*, i8* }
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@gv0 = internal unnamed_addr global i32 0, align 4
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@gv1 = internal unnamed_addr global %struct1** null, align 8
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define void @test(%struct1* %fde, i32 %fd, void (i32, i32, i8*)* %func, i8* %arg) {
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;CHECK-LABEL: test
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entry:
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; A53: mov [[DATA:w[0-9]+]], w1
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; A53: str q{{[0-9]+}}, {{.*}}
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; A53: str q{{[0-9]+}}, {{.*}}
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; A53: str [[DATA]], {{.*}}
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%0 = bitcast %struct1* %fde to i8*
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tail call void @llvm.memset.p0i8.i64(i8* %0, i8 0, i64 40, i32 8, i1 false)
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%state = getelementptr inbounds %struct1, %struct1* %fde, i64 0, i32 4
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store i16 256, i16* %state, align 8
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%fd1 = getelementptr inbounds %struct1, %struct1* %fde, i64 0, i32 2
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store i32 %fd, i32* %fd1, align 8
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%force_eof = getelementptr inbounds %struct1, %struct1* %fde, i64 0, i32 3
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store i32 0, i32* %force_eof, align 4
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%func2 = getelementptr inbounds %struct1, %struct1* %fde, i64 0, i32 6
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store void (i32, i32, i8*)* %func, void (i32, i32, i8*)** %func2, align 8
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%arg3 = getelementptr inbounds %struct1, %struct1* %fde, i64 0, i32 7
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store i8* %arg, i8** %arg3, align 8
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%call = tail call i32 (i32, i32, ...) @fcntl(i32 %fd, i32 4, i8* %0) #6
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%1 = load i32, i32* %fd1, align 8
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%cmp.i = icmp slt i32 %1, 0
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br i1 %cmp.i, label %if.then.i, label %while.body.i.preheader
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if.then.i:
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unreachable
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while.body.i.preheader:
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%2 = load i32, i32* @gv0, align 4
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%3 = icmp eq i32* %fd1, @gv0
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br i1 %3, label %while.body.i.split, label %while.body.i.split.ver.us.preheader
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while.body.i.split.ver.us.preheader:
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br label %while.body.i.split.ver.us
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while.body.i.split.ver.us:
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%.reg2mem21.0 = phi i32 [ %mul.i.ver.us, %while.body.i.split.ver.us ], [ %2, %while.body.i.split.ver.us.preheader ]
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%mul.i.ver.us = shl nsw i32 %.reg2mem21.0, 1
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%4 = icmp sgt i32 %mul.i.ver.us, %1
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br i1 %4, label %while.end.i, label %while.body.i.split.ver.us
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while.body.i.split:
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br label %while.body.i.split
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while.end.i:
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%call.i = tail call i8* @foo()
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store i8* %call.i, i8** bitcast (%struct1*** @gv1 to i8**), align 8
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br label %exit
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exit:
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ret void
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}
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declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1)
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declare i32 @fcntl(i32, i32, ...)
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declare noalias i8* @foo()
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