a1710eb3cd
The LIT test cases were migrated with the script provided by Nikita Popov. No manual changes were made. Committed without review since no functional changes, after consultation with uweigand.
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 ptr]], 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, ptr 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, ptr undef
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store ptr null, ptr undef, align 8
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store i32 -10, ptr undef, align 4
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store i32 -10, ptr null, align 4
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store i32 -10, ptr undef, align 4
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store i16 0, ptr @g_184, align 2
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store ptr null, ptr getelementptr inbounds ([1 x [9 x ptr]], ptr @g_294, i64 0, i64 0, i64 2), align 8
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store ptr null, ptr getelementptr inbounds ([1 x [9 x ptr]], ptr @g_294, i64 0, i64 0, i64 5), align 8
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unreachable
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}
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