27 lines
1.1 KiB
LLVM
27 lines
1.1 KiB
LLVM
; 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
|
|
; 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
|
|
|
|
define i32 @bar(i32 %arg) {
|
|
; BEFORE: *** IR Dump Before 3-IndVarSimplifyPass on bb1 ***
|
|
; BEFORE: define i32 @bar(i32 %arg) {
|
|
|
|
bb:
|
|
br label %bb1
|
|
|
|
bb1: ; preds = %bb1, %bb
|
|
%phi = phi i32 [ 0, %bb ], [ %add, %bb1 ]
|
|
%phi2 = phi i32 [ 0, %bb ], [ %add3, %bb1 ]
|
|
%add = add i32 %phi, 1
|
|
%add3 = add i32 %phi2, %add
|
|
%icmp = icmp slt i32 %phi, %arg
|
|
br i1 %icmp, label %bb1, label %bb4
|
|
|
|
bb4: ; preds = %bb1
|
|
ret i32 %add3
|
|
}
|
|
|
|
; NUMBER: Running pass 1 LoopSimplifyPass on bar
|
|
; NUMBER-NEXT: Running pass 2 LCSSAPass on bar
|
|
; NUMBER-NEXT: Running pass 3 IndVarSimplifyPass on bb1
|
|
; NUMBER-NEXT: Running pass 4 LoopDeletionPass on bb1
|
|
; NUMBER-NOT: Running pass
|