forked from OSchip/llvm-project
89 lines
2.9 KiB
LLVM
89 lines
2.9 KiB
LLVM
; RUN: opt %loadPolly -basicaa -sroa -instcombine -simplifycfg -tailcallopt \
|
|
; RUN: -simplifycfg -reassociate -loop-rotate -instcombine -indvars \
|
|
; RUN: -polly-prepare -polly-scops -analyze < %s \
|
|
; RUN: \
|
|
; RUN: | FileCheck %s --check-prefix=NOLICM
|
|
|
|
; RUN: opt %loadPolly -basicaa -sroa -instcombine -simplifycfg -tailcallopt \
|
|
; RUN: -simplifycfg -reassociate -loop-rotate -instcombine -indvars -licm \
|
|
; RUN: -polly-prepare -polly-scops -analyze < %s \
|
|
; RUN: \
|
|
; RUN: | FileCheck %s --check-prefix=LICM
|
|
|
|
; void foo(int n, float A[static const restrict n], float x) {
|
|
; // (0)
|
|
; for (int i = 0; i < 5; i += 1) {
|
|
; for (int j = 0; j < n; j += 1) {
|
|
; x = 7; // (1)
|
|
; }
|
|
; A[0] = x; // (3)
|
|
; }
|
|
; // (4)
|
|
; }
|
|
|
|
; LICM: Statements
|
|
; NOLICM: Statements
|
|
|
|
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
|
|
|
|
define void @foo(i32 %n, float* noalias nonnull %A, float %x) {
|
|
entry:
|
|
%n.addr = alloca i32, align 4
|
|
%A.addr = alloca float*, align 8
|
|
%x.addr = alloca float, align 4
|
|
%i = alloca i32, align 4
|
|
%j = alloca i32, align 4
|
|
store i32 %n, i32* %n.addr, align 4
|
|
store float* %A, float** %A.addr, align 8
|
|
store float %x, float* %x.addr, align 4
|
|
%tmp = load i32, i32* %n.addr, align 4
|
|
%tmp1 = zext i32 %tmp to i64
|
|
store i32 0, i32* %i, align 4
|
|
br label %for.cond
|
|
|
|
for.cond: ; preds = %for.inc.4, %entry
|
|
%tmp2 = load i32, i32* %i, align 4
|
|
%cmp = icmp slt i32 %tmp2, 5
|
|
br i1 %cmp, label %for.body, label %for.end.6
|
|
|
|
for.body: ; preds = %for.cond
|
|
store i32 0, i32* %j, align 4
|
|
br label %for.cond.1
|
|
|
|
for.cond.1: ; preds = %for.inc, %for.body
|
|
%tmp3 = load i32, i32* %j, align 4
|
|
%tmp4 = load i32, i32* %n.addr, align 4
|
|
%cmp2 = icmp slt i32 %tmp3, %tmp4
|
|
br i1 %cmp2, label %for.body.3, label %for.end
|
|
|
|
for.body.3: ; preds = %for.cond.1
|
|
store float 7.000000e+00, float* %x.addr, align 4
|
|
br label %for.inc
|
|
|
|
for.inc: ; preds = %for.body.3
|
|
%tmp5 = load i32, i32* %j, align 4
|
|
%add = add nsw i32 %tmp5, 1
|
|
store i32 %add, i32* %j, align 4
|
|
br label %for.cond.1
|
|
|
|
for.end: ; preds = %for.cond.1
|
|
%tmp6 = load float, float* %x.addr, align 4
|
|
%tmp7 = load float*, float** %A.addr, align 8
|
|
%arrayidx = getelementptr inbounds float, float* %tmp7, i64 0
|
|
store float %tmp6, float* %arrayidx, align 4
|
|
br label %for.inc.4
|
|
|
|
for.inc.4: ; preds = %for.end
|
|
%tmp8 = load i32, i32* %i, align 4
|
|
%add5 = add nsw i32 %tmp8, 1
|
|
store i32 %add5, i32* %i, align 4
|
|
br label %for.cond
|
|
|
|
for.end.6: ; preds = %for.cond
|
|
ret void
|
|
}
|
|
|
|
; CHECK: Statements {
|
|
; CHECK: Stmt_for_end
|
|
; CHECK: }
|