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43 lines
1.1 KiB
Plaintext
43 lines
1.1 KiB
Plaintext
// #target: macos-x64
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fn void test1()
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{
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char a = 1;
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int b = 2;
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char c = b > a ? (char)1u : (char)0u;
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int d = b ?: 1;
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}
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/* #expect: comparison_widening.ll
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define void @comparison_widening.test1() #0 {
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entry:
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%a = alloca i8, align 1
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%b = alloca i32, align 4
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%c = alloca i8, align 1
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%d = alloca i32, align 4
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store i8 1, ptr %a, align 1
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store i32 2, ptr %b, align 4
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%0 = load i32, ptr %b, align 4
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%1 = load i8, ptr %a, align 1
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%zext = zext i8 %1 to i32
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%gt = icmp sgt i32 %0, %zext
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%check = icmp sge i32 %zext, 0
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%siui-gt = and i1 %check, %gt
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%ternary = select i1 %siui-gt, i8 1, i8 0
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store i8 %ternary, ptr %c, align 1
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%2 = load i32, ptr %b, align 4
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%i2b = icmp ne i32 %2, 0
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br i1 %i2b, label %cond.lhs, label %cond.rhs
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cond.lhs: ; preds = %entry
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br label %cond.phi
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cond.rhs: ; preds = %entry
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br label %cond.phi
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cond.phi: ; preds = %cond.rhs, %cond.lhs
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%val = phi i32 [ %2, %cond.lhs ], [ 1, %cond.rhs ]
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store i32 %val, ptr %d, align 4
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ret void
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} |