xref: /llvm-project/llvm/test/CodeGen/ARM/ParallelDSP/self-ref-bug.ll (revision 447c411fef6ed97a404087cc8289aeeb02a8ae5c)
1*447c411fSSam Parker; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2*447c411fSSam Parker; RUN: opt -mtriple=thumbv7-unknown-linux-gnueabihf < %s -arm-parallel-dsp -verify -S | FileCheck %s
3*447c411fSSam Parker
4*447c411fSSam Parkertarget datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"
5*447c411fSSam Parker
6*447c411fSSam Parkerdefine i32 @test(ptr %b) {
7*447c411fSSam Parker; CHECK-LABEL: @test(
8*447c411fSSam Parker; CHECK-NEXT:  entry:
9*447c411fSSam Parker; CHECK-NEXT:    [[TMP0:%.*]] = load i16, ptr [[B:%.*]], align 2
10*447c411fSSam Parker; CHECK-NEXT:    [[TMP1:%.*]] = load i32, ptr [[B]], align 2
11*447c411fSSam Parker; CHECK-NEXT:    [[TMP2:%.*]] = trunc i32 [[TMP1]] to i16
12*447c411fSSam Parker; CHECK-NEXT:    [[TMP3:%.*]] = sext i16 [[TMP2]] to i32
13*447c411fSSam Parker; CHECK-NEXT:    [[TMP4:%.*]] = lshr i32 [[TMP1]], 16
14*447c411fSSam Parker; CHECK-NEXT:    [[TMP5:%.*]] = trunc i32 [[TMP4]] to i16
15*447c411fSSam Parker; CHECK-NEXT:    [[TMP6:%.*]] = sext i16 [[TMP5]] to i32
16*447c411fSSam Parker; CHECK-NEXT:    [[CONV:%.*]] = sext i16 [[TMP0]] to i32
17*447c411fSSam Parker; CHECK-NEXT:    [[ARRAYIDX1:%.*]] = getelementptr inbounds i16, ptr [[B]], i32 3
18*447c411fSSam Parker; CHECK-NEXT:    [[TMP7:%.*]] = load i16, ptr [[ARRAYIDX1]], align 2
19*447c411fSSam Parker; CHECK-NEXT:    [[TMP8:%.*]] = load i32, ptr [[ARRAYIDX1]], align 2
20*447c411fSSam Parker; CHECK-NEXT:    [[TMP9:%.*]] = trunc i32 [[TMP8]] to i16
21*447c411fSSam Parker; CHECK-NEXT:    [[TMP10:%.*]] = call i32 @llvm.arm.smlad(i32 [[TMP8]], i32 [[TMP1]], i32 0)
22*447c411fSSam Parker; CHECK-NEXT:    [[TMP11:%.*]] = sext i16 [[TMP9]] to i32
23*447c411fSSam Parker; CHECK-NEXT:    [[TMP12:%.*]] = lshr i32 [[TMP8]], 16
24*447c411fSSam Parker; CHECK-NEXT:    [[TMP13:%.*]] = trunc i32 [[TMP12]] to i16
25*447c411fSSam Parker; CHECK-NEXT:    [[TMP14:%.*]] = sext i16 [[TMP13]] to i32
26*447c411fSSam Parker; CHECK-NEXT:    [[CONV2:%.*]] = sext i16 [[TMP7]] to i32
27*447c411fSSam Parker; CHECK-NEXT:    [[MUL:%.*]] = mul nsw i32 [[TMP11]], [[TMP3]]
28*447c411fSSam Parker; CHECK-NEXT:    [[INCDEC_PTR:%.*]] = getelementptr inbounds i16, ptr [[B]], i32 1
29*447c411fSSam Parker; CHECK-NEXT:    [[TMP15:%.*]] = load i16, ptr [[INCDEC_PTR]], align 2
30*447c411fSSam Parker; CHECK-NEXT:    [[CONV4:%.*]] = sext i16 [[TMP15]] to i32
31*447c411fSSam Parker; CHECK-NEXT:    [[ARRAYIDX5:%.*]] = getelementptr inbounds i16, ptr [[B]], i32 4
32*447c411fSSam Parker; CHECK-NEXT:    [[TMP16:%.*]] = load i16, ptr [[ARRAYIDX5]], align 2
33*447c411fSSam Parker; CHECK-NEXT:    [[CONV6:%.*]] = sext i16 [[TMP16]] to i32
34*447c411fSSam Parker; CHECK-NEXT:    [[MUL7:%.*]] = mul nsw i32 [[TMP14]], [[TMP6]]
35*447c411fSSam Parker; CHECK-NEXT:    [[ADD9:%.*]] = add nsw i32 [[MUL7]], [[MUL]]
36*447c411fSSam Parker; CHECK-NEXT:    [[MUL13:%.*]] = mul nsw i32 0, 0
37*447c411fSSam Parker; CHECK-NEXT:    [[ADD15:%.*]] = add nsw i32 [[MUL13]], [[TMP10]]
38*447c411fSSam Parker; CHECK-NEXT:    ret i32 [[ADD15]]
39*447c411fSSam Parker;
40*447c411fSSam Parkerentry:
41*447c411fSSam Parker  %0 = load i16, ptr %b, align 2
42*447c411fSSam Parker  %conv = sext i16 %0 to i32
43*447c411fSSam Parker  %arrayidx1 = getelementptr inbounds i16, ptr %b, i32 3
44*447c411fSSam Parker  %1 = load i16, ptr %arrayidx1, align 2
45*447c411fSSam Parker  %conv2 = sext i16 %1 to i32
46*447c411fSSam Parker  %mul = mul nsw i32 %conv2, %conv
47*447c411fSSam Parker  %incdec.ptr = getelementptr inbounds i16, ptr %b, i32 1
48*447c411fSSam Parker  %2 = load i16, ptr %incdec.ptr, align 2
49*447c411fSSam Parker  %conv4 = sext i16 %2 to i32
50*447c411fSSam Parker  %arrayidx5 = getelementptr inbounds i16, ptr %b, i32 4
51*447c411fSSam Parker  %3 = load i16, ptr %arrayidx5, align 2
52*447c411fSSam Parker  %conv6 = sext i16 %3 to i32
53*447c411fSSam Parker  %mul7 = mul nsw i32 %conv6, %conv4
54*447c411fSSam Parker  %add9 = add nsw i32 %mul7, %mul
55*447c411fSSam Parker  %mul13 = mul nsw i32 0, 0
56*447c411fSSam Parker  %add15 = add nsw i32 %mul13, %add9
57*447c411fSSam Parker  ret i32 %add15
58*447c411fSSam Parker}
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