llvm-project/llvm/test/Transforms/PhaseOrdering/reassociate-after-unroll.ll

59 lines
1.6 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; REQUIRES: powerpc-registered-target
; RUN: opt -O2 -enable-new-pm=0 -S < %s | FileCheck %s --check-prefix=OLDPM
; RUN: opt -passes='default<O2>' -S < %s | FileCheck %s --check-prefix=NEWPM
target datalayout = "e-m:e-i64:64-n32:64"
target triple = "powerpc64le-unknown-linux-gnu"
define dso_local i64 @func(i64 %blah, i64 %limit) #0 {
; OLDPM-LABEL: @func(
; OLDPM-NEXT: entry:
; OLDPM-NEXT: ret i64 undef
;
; NEWPM-LABEL: @func(
; NEWPM-NEXT: entry:
; NEWPM-NEXT: ret i64 undef
;
entry:
%blah.addr = alloca i64, align 8
%limit.addr = alloca i64, align 8
%k = alloca i32, align 4
%g = alloca i64, align 8
%i = alloca i64, align 8
store i64 %blah, i64* %blah.addr, align 8
store i64 %limit, i64* %limit.addr, align 8
store i32 1, i32* %k, align 4
store i64 0, i64* %i, align 8
br label %for.cond
for.cond:
%0 = load i64, i64* %i, align 8
%1 = load i64, i64* %limit.addr, align 8
%cmp = icmp ult i64 %0, %1
br i1 %cmp, label %for.body, label %for.cond.cleanup
for.cond.cleanup:
%2 = load i64, i64* %g, align 8
ret i64 %2
for.body:
%3 = load i64, i64* %blah.addr, align 8
%4 = load i32, i32* %k, align 4
%conv = zext i32 %4 to i64
%and = and i64 %conv, %3
%conv1 = trunc i64 %and to i32
store i32 %conv1, i32* %k, align 4
%5 = load i32, i32* %k, align 4
%conv2 = zext i32 %5 to i64
%6 = load i64, i64* %g, align 8
%add = add i64 %6, %conv2
store i64 %add, i64* %g, align 8
%7 = load i64, i64* %i, align 8
%inc = add i64 %7, 1
store i64 %inc, i64* %i, align 8
br label %for.cond
}
attributes #0 = { "use-soft-float"="false" }