52 lines
1.8 KiB
LLVM
52 lines
1.8 KiB
LLVM
; RUN: llc -mtriple=s390x-linux-gnu -mcpu=z13 -misched-cutoff=1 -o /dev/null < %s
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; REQUIRES: asserts
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; -misched=shuffle isn't available in NDEBUG builds!
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; Test that the post-ra scheduler does not crash with -misched-cutoff.
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@g_184 = external dso_local global i16, align 2
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@g_294 = external dso_local global [1 x [9 x i32*]], align 8
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define void @fun() {
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bb:
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br label %bb1
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bb1: ; preds = %bb1, %bb
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%i = phi i64 [ 0, %bb ], [ %i22, %bb1 ]
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%i2 = trunc i64 %i to i32
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%i3 = lshr i32 %i2, 1
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%i4 = select i1 false, i32 %i3, i32 undef
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%i5 = lshr i32 %i4, 1
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%i6 = xor i32 %i5, -306674912
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%i7 = select i1 undef, i32 %i5, i32 %i6
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%i8 = lshr i32 %i7, 1
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%i9 = xor i32 %i8, -306674912
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%i10 = select i1 undef, i32 %i8, i32 %i9
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%i11 = lshr i32 %i10, 1
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%i12 = xor i32 %i11, -306674912
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%i13 = select i1 undef, i32 %i11, i32 %i12
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%i14 = lshr i32 %i13, 1
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%i15 = select i1 false, i32 %i14, i32 undef
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%i16 = lshr i32 %i15, 1
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%i17 = select i1 false, i32 %i16, i32 undef
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%i18 = lshr i32 %i17, 1
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%i19 = select i1 false, i32 %i18, i32 undef
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%i20 = lshr i32 %i19, 1
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%i21 = select i1 false, i32 %i20, i32 undef
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store i32 %i21, i32* undef, align 4
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%i22 = add nuw nsw i64 %i, 1
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%i23 = icmp ult i64 %i, 255
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br i1 %i23, label %bb1, label %bb24
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bb24: ; preds = %bb1
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%i25 = load volatile i16, i16* undef
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store i32* null, i32** undef, align 8
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store i32 -10, i32* undef, align 4
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store i32 -10, i32* null, align 4
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store i32 -10, i32* undef, align 4
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store i16 0, i16* @g_184, align 2
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store i32* null, i32** getelementptr inbounds ([1 x [9 x i32*]], [1 x [9 x i32*]]* @g_294, i64 0, i64 0, i64 2), align 8
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store i32* null, i32** getelementptr inbounds ([1 x [9 x i32*]], [1 x [9 x i32*]]* @g_294, i64 0, i64 0, i64 5), align 8
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unreachable
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}
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