28 lines
1.1 KiB
LLVM
28 lines
1.1 KiB
LLVM
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; RUN: opt -passes="loop(indvars,loop-deletion,loop-unroll-full)" -print-pass-numbers -S -o /dev/null %s 2>&1 | FileCheck %s --check-prefix=NUMBER
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; RUN: opt -passes="loop(indvars,loop-deletion,loop-unroll-full)" -print-module-scope -print-before-pass-number=3 -S -o /dev/null %s 2>&1 | FileCheck %s --check-prefix=BEFORE
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define i32 @bar(i32 %arg) {
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; BEFORE: *** IR Dump Before 3-IndVarSimplifyPass on bb1 ***
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; BEFORE: define i32 @bar(i32 %arg) {
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bb:
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br label %bb1
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bb1: ; preds = %bb1, %bb
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%phi = phi i32 [ 0, %bb ], [ %add, %bb1 ]
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%phi2 = phi i32 [ 0, %bb ], [ %add3, %bb1 ]
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%add = add i32 %phi, 1
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%add3 = add i32 %phi2, %add
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%icmp = icmp slt i32 %phi, %arg
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br i1 %icmp, label %bb1, label %bb4
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bb4: ; preds = %bb1
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ret i32 %add3
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}
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; NUMBER: Running pass 1 LoopSimplifyPass on bar
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; NUMBER-NEXT: Running pass 2 LCSSAPass on bar
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; NUMBER-NEXT: Running pass 3 IndVarSimplifyPass on bb1
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; NUMBER-NEXT: Running pass 4 LoopDeletionPass on bb1
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; NUMBER-NOT: Running pass
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