forked from OSchip/llvm-project
21 lines
590 B
LLVM
21 lines
590 B
LLVM
; RUN: opt < %s -indvars -adce -simplifycfg -S | FileCheck %s
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; PR1598
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; CHECK: icmp s
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define i32 @f(i32 %a, i32 %b, i32 %x, i32 %y) {
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entry:
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%tmp3 = icmp eq i32 %a, %b ; <i1> [#uses=1]
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br i1 %tmp3, label %return, label %bb
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bb: ; preds = %bb, %entry
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%x_addr.0 = phi i32 [ %tmp6, %bb ], [ %x, %entry ] ; <i32> [#uses=1]
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%tmp6 = add i32 %x_addr.0, 1 ; <i32> [#uses=3]
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%tmp9 = icmp slt i32 %tmp6, %y ; <i1> [#uses=1]
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br i1 %tmp9, label %bb, label %return
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return: ; preds = %bb, %entry
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%x_addr.1 = phi i32 [ %x, %entry ], [ %tmp6, %bb ] ; <i32> [#uses=1]
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ret i32 %x_addr.1
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}
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