forked from OSchip/llvm-project
159 lines
4.6 KiB
LLVM
159 lines
4.6 KiB
LLVM
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; RUN: llc -march=hexagon < %s | FileCheck %s
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; REQUIRES: asserts
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; Test that the compiler doesn't assert because IMPLICIT_DEF instructions are
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; are added to the same packet as a use. This test case asserts if the
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; IMPLICIT_DEFs are not handled properly.
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;
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; r0 = IMPLICIT_DEF
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; r1 = IMPLICIT_DEF
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; S2_storerd_io r29, 0, d0
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; CHECK: memd(r29+#0) = r{{[0-9]+}}:{{[0-9]+}}
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; CHECK: memd(r29+#0) = r{{[0-9]+}}:{{[0-9]+}}
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define i8** @f0(i8* %a0) local_unnamed_addr {
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b0:
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%v0 = tail call i8* @f1(i32 0)
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%v1 = tail call i8* @f1(i32 8)
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%v2 = bitcast i8* %v1 to i8**
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%v3 = load i32, i32* undef, align 4
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%v4 = tail call i8* @f4(i8* %a0, i32 0, i32 %v3)
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%v5 = sub nsw i32 %v3, 0
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br label %b1
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b1: ; preds = %b0
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switch i8 undef, label %b3 [
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i8 0, label %b4
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i8 92, label %b2
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i8 44, label %b4
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]
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b2: ; preds = %b1
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unreachable
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b3: ; preds = %b1
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unreachable
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b4: ; preds = %b1, %b1
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br label %b5
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b5: ; preds = %b4
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br i1 undef, label %b27, label %b6
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b6: ; preds = %b5
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%v6 = ptrtoint i8* %v4 to i32
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%v7 = sub i32 0, %v6
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%v8 = call i8* @f4(i8* nonnull %v4, i32 0, i32 %v7)
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%v9 = call i8* @f4(i8* nonnull %v4, i32 undef, i32 %v5)
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br label %b7
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b7: ; preds = %b6
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br i1 undef, label %b8, label %b9
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b8: ; preds = %b7
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br label %b9
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b9: ; preds = %b8, %b7
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%v10 = phi i32 [ 2, %b8 ], [ 0, %b7 ]
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%v11 = load i8, i8* %v9, align 1
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switch i8 %v11, label %b12 [
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i8 43, label %b10
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i8 45, label %b10
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]
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b10: ; preds = %b9, %b9
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br i1 undef, label %b11, label %b12
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b11: ; preds = %b10
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%v12 = call i64 @f6(i8* nonnull %v9, i8** nonnull undef, i32 10)
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%v13 = load i8*, i8** undef, align 4
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%v14 = ptrtoint i8* %v13 to i32
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br label %b15
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b12: ; preds = %b10, %b9
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switch i8 undef, label %b14 [
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i8 0, label %b13
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i8 46, label %b13
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]
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b13: ; preds = %b12, %b12
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br label %b15
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b14: ; preds = %b12
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unreachable
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b15: ; preds = %b13, %b11
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%v15 = phi i32 [ undef, %b13 ], [ %v14, %b11 ]
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%v16 = phi i32 [ 2, %b13 ], [ 1, %b11 ]
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%v17 = phi i64 [ undef, %b13 ], [ %v12, %b11 ]
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%v18 = call i32* @f5()
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br label %b16
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b16: ; preds = %b15
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%v19 = icmp ne i32 %v10, %v16
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%v20 = or i1 undef, %v19
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br i1 %v20, label %b17, label %b18
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b17: ; preds = %b16
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call void @f2(i8* %v8)
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br label %b27
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b18: ; preds = %b16
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br i1 undef, label %b19, label %b20
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b19: ; preds = %b18
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br label %b24
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b20: ; preds = %b18
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%v21 = add i32 %v5, -2
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%v22 = sub i32 %v21, %v7
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%v23 = add i32 %v22, %v15
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%v24 = sub i32 %v23, 0
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br label %b21
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b21: ; preds = %b20
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%v25 = icmp ne i32 %v24, 2
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%v26 = and i1 %v25, undef
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br i1 %v26, label %b22, label %b23
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b22: ; preds = %b21
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unreachable
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b23: ; preds = %b21
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br label %b24
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b24: ; preds = %b23, %b19
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%v27 = phi i64 [ 0, %b19 ], [ %v17, %b23 ]
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br label %b25
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b25: ; preds = %b24
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%v28 = icmp sgt i64 undef, %v27
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br i1 %v28, label %b28, label %b26
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b26: ; preds = %b25
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unreachable
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b27: ; preds = %b17, %b5
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call void @f2(i8* %v4)
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call void @f2(i8* %v0)
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%v29 = call i8* @f3(i8* undef, i8* nonnull %a0)
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ret i8** %v2
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b28: ; preds = %b25
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call void @f2(i8* %v9)
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unreachable
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}
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declare i8* @f1(i32) local_unnamed_addr
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declare void @f2(i8* nocapture) local_unnamed_addr
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declare i8* @f3(i8*, i8* nocapture readonly) local_unnamed_addr
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declare i8* @f4(i8*, i32, i32) local_unnamed_addr
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declare i32* @f5() local_unnamed_addr
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declare i64 @f6(i8*, i8**, i32) local_unnamed_addr
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