forked from OSchip/llvm-project
61 lines
2.0 KiB
LLVM
61 lines
2.0 KiB
LLVM
; RUN: llc -march=hexagon -verify-machineinstrs < %s | FileCheck %s
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; Check that this testcase compiles successfully.
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; CHECK-LABEL: fred:
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; CHECK: call foo
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target triple = "hexagon"
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%struct.0 = type { i32, i16, i8* }
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declare void @llvm.lifetime.start(i64, i8* nocapture) #1
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declare void @llvm.lifetime.end(i64, i8* nocapture) #1
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define i32 @fred(i8* readonly %p0, i32* %p1) local_unnamed_addr #0 {
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entry:
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%v0 = alloca i16, align 2
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%v1 = icmp eq i8* %p0, null
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br i1 %v1, label %if.then, label %lor.lhs.false
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lor.lhs.false: ; preds = %entry
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%v2 = bitcast i8* %p0 to %struct.0**
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%v3 = load %struct.0*, %struct.0** %v2, align 4
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%v4 = icmp eq %struct.0* %v3, null
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br i1 %v4, label %if.then, label %if.else
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if.then: ; preds = %lor.lhs.false, %ent
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%v5 = icmp eq i32* %p1, null
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br i1 %v5, label %cleanup, label %if.then3
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if.then3: ; preds = %if.then
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store i32 0, i32* %p1, align 4
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br label %cleanup
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if.else: ; preds = %lor.lhs.false
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%v6 = bitcast i16* %v0 to i8*
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call void @llvm.lifetime.start(i64 2, i8* nonnull %v6) #0
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store i16 0, i16* %v0, align 2
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%v7 = call i32 @foo(%struct.0* nonnull %v3, i16* nonnull %v0) #0
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%v8 = icmp eq i32* %p1, null
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br i1 %v8, label %if.end7, label %if.then6
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if.then6: ; preds = %if.else
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%v9 = load i16, i16* %v0, align 2
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%v10 = zext i16 %v9 to i32
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store i32 %v10, i32* %p1, align 4
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br label %if.end7
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if.end7: ; preds = %if.else, %if.then6
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call void @llvm.lifetime.end(i64 2, i8* nonnull %v6) #0
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br label %cleanup
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cleanup: ; preds = %if.then3, %if.then,
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%v11 = phi i32 [ %v7, %if.end7 ], [ -2147024809, %if.then ], [ -2147024809, %if.then3 ]
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ret i32 %v11
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}
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declare i32 @foo(%struct.0*, i16*) local_unnamed_addr #0
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attributes #0 = { nounwind }
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attributes #1 = { argmemonly nounwind }
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