invariant_load_zext_parameter.ll
2.67 KB
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; RUN: opt %loadPolly -polly-scops -polly-invariant-load-hoisting=true -analyze < %s | FileCheck %s
; RUN: opt %loadPolly -polly-codegen -polly-invariant-load-hoisting=true -S < %s | FileCheck %s --check-prefix=CODEGEN
;
; void f(int *I0, int *I1, int *V) {
; for (int i = 0; i < 1000; i++) {
; if ((long)(*I0) == 0)
; V[i] += *I1;
; }
; }
;
; CHECK: Assumed Context:
; CHECK-NEXT: [loadI0] -> { : }
; CHECK-NEXT: Invalid Context:
; CHECK-NEXT: [loadI0] -> { : loadI0 < 0 }
;
; CHECK: p0: %loadI0
;
; CHECK: Stmt_if_then
; CHECK-NEXT: Domain :=
; CHECK-NEXT: [loadI0] -> { Stmt_if_then[i0] : loadI0 = 0 and 0 <= i0 <= 999 };
;
; CODEGEN: polly.preload.begin:
; CODEGEN-NEXT: %polly.access.I0 = getelementptr i32, i32* %I0, i64 0
; CODEGEN-NEXT: %polly.access.I0.load = load i32, i32* %polly.access.I0
; CODEGEN-NEXT: store i32 %polly.access.I0.load, i32* %loadI1a.preload.s2a
; CODEGEN-NEXT: %0 = sext i32 %polly.access.I0.load to i64
; CODEGEN-NEXT: %1 = icmp eq i64 %0, 0
; CODEGEN-NEXT: br label %polly.preload.cond
;
; CODEGEN: polly.preload.cond:
; CODEGEN-NEXT: br i1 %1, label %polly.preload.exec, label %polly.preload.merge
;
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
define void @f(i32* %I0, i32* %I1, i32* %V) {
entry:
br label %for.cond
for.cond: ; preds = %for.inc, %entry
%indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ]
%exitcond = icmp ne i64 %indvars.iv, 1000
br i1 %exitcond, label %for.body, label %for.end
for.body: ; preds = %for.cond
%loadI1a = load i32, i32* %I0, align 4
%arrayidx = getelementptr inbounds i32, i32* %V, i64 %indvars.iv
%loadI1a1 = load i32, i32* %arrayidx, align 4
%add = add nsw i32 %loadI1a1, %loadI1a
store i32 %add, i32* %arrayidx, align 4
%loadI0 = load i32, i32* %I0, align 4
%loadI0ext = zext i32 %loadI0 to i64
%cmp1 = icmp eq i64 %loadI0ext, 0
br i1 %cmp1, label %if.then, label %if.end
if.then: ; preds = %for.body
%loadI1b = load i32, i32* %I1, align 4
%arrayidx4 = getelementptr inbounds i32, i32* %V, i64 %indvars.iv
%loadI1a4 = load i32, i32* %arrayidx4, align 4
%add5 = add nsw i32 %loadI1a4, %loadI1b
store i32 %add5, i32* %arrayidx4, align 4
br label %if.end
if.end: ; preds = %if.then, %for.body
br label %for.inc
for.inc: ; preds = %if.end
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
br label %for.cond
for.end: ; preds = %for.cond
ret void
}