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.
31 lines
826 B
LLVM
31 lines
826 B
LLVM
; Verify that we do not crash on always-true conditions
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 -O0
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;
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; This test was compiled using clang -O0 from the following source code:
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;
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; int test(unsigned long x)
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; {
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; return x >= 0 && x <= 15;
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; }
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define signext i32 @test(i64 %x) {
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entry:
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%x.addr = alloca i64, align 8
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store i64 %x, ptr %x.addr, align 8
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%0 = load i64, ptr %x.addr, align 8
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%cmp = icmp uge i64 %0, 0
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br i1 %cmp, label %land.rhs, label %land.end
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land.rhs: ; preds = %entry
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%1 = load i64, ptr %x.addr, align 8
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%cmp1 = icmp ule i64 %1, 15
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br label %land.end
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land.end: ; preds = %land.rhs, %entry
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%2 = phi i1 [ false, %entry ], [ %cmp1, %land.rhs ]
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%land.ext = zext i1 %2 to i32
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ret i32 %land.ext
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}
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