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pre-commit: test PR82478 #257
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baseline: llvm/llvm-project@73c646a |
%32 = tail call i32 @llvm.smax.i32(i32 %shr63, i32 0) | ||
%b.0 = tail call i32 @llvm.smin.i32(i32 %32, i32 255) | ||
%conv84 = trunc i32 %r.0 to i8 | ||
%31 = tail call i32 @llvm.umin.i32(i32 %30, i32 255) |
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It breaks signed clamp idiom.
@@ -7210,21 +7210,22 @@ if.then133: ; preds = %for.end | |||
%div = fdiv float %mul142, %mul143 | |||
%call144 = call noundef i32 @_ZN4pbrt7Log2IntEf(float noundef %div) | |||
%div145 = sdiv i32 %call144, 2 | |||
%high.val.i = call i32 @llvm.smin.i32(i32 %div145, i32 10) | |||
%retval.0.i = call i32 @llvm.smax.i32(i32 %high.val.i, i32 0) | |||
%cmp.i144 = icmp slt i32 %call144, -1 |
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It breaks smax SPF. Should be fixed by llvm/llvm-project#82472.
@@ -5406,8 +5406,9 @@ if.else.i177: ; preds = %if.then50 | |||
br i1 %tobool56.not, label %return, label %if.end58 | |||
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if.end58: ; preds = %if.else.i177 | |||
%max.call.i = tail call i32 @llvm.smin.i32(i32 %conv.i.i, i32 255) | |||
%retval.0.i178.ph = tail call i32 @llvm.smax.i32(i32 %max.call.i, i32 1) | |||
%cmp1.i = icmp slt i32 %conv.i.i, 1 |
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Should be fixed by llvm/llvm-project#82472.
PR Link: llvm/llvm-project#82478