non_affine_float_compare.ll
3.37 KB
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; RUN: opt %loadPolly -polly-codegen \
; RUN: -polly-allow-nonaffine-branches -S -verify-dom-info \
; RUN: < %s | FileCheck %s
;
; void f(float *A) {
; for (int i = 0; i < 1024; i++)
; if (A[i] == A[i - 1])
; A[i]++;
; A[i]++;
; }
;
;
; CHECK: polly.stmt.bb2:
; CHECK: %scevgep[[R0:[0-9]*]] = getelementptr float, float* %A, i64 %polly.indvar
; CHECK: %tmp3_p_scalar_ = load float, float* %scevgep[[R0]], align 4, !alias.scope !0, !noalias !2
; CHECK: %scevgep[[R2:[0-9]*]] = getelementptr float, float* %scevgep{{[0-9]*}}, i64 %polly.indvar
; CHECK: %tmp6_p_scalar_ = load float, float* %scevgep[[R2]], align 4, !alias.scope !0, !noalias !2
; CHECK: %p_tmp7 = fcmp oeq float %tmp3_p_scalar_, %tmp6_p_scalar_
; CHECK: br i1 %p_tmp7, label %polly.stmt.bb8, label %polly.stmt.bb12.[[R:[a-zA-Z_.0-9]*]]
; CHECK: polly.stmt.bb8:
; CHECK: %scevgep[[R3:[0-9]*]] = getelementptr float, float* %A, i64 %polly.indvar
; CHECK: %tmp10_p_scalar_ = load float, float* %scevgep[[R3]], align 4, !alias.scope !0, !noalias !2
; CHECK: %p_tmp11 = fadd float %tmp10_p_scalar_, 1.000000e+00
; CHECK: store float %p_tmp11, float* %scevgep[[R3]], align 4, !alias.scope !0, !noalias !2
; CHECK: br label %polly.stmt.bb12.[[R]]
; CHECK: polly.stmt.bb12.[[R]]:
; CHECK: br label %polly.stmt.bb12
; CHECK: polly.stmt.bb12:
; CHECK: %scevgep[[R4:[0-9]*]] = getelementptr float, float* %A, i64 %polly.indvar
; CHECK: %tmp10b_p_scalar_ = load float, float* %scevgep[[R4]], align 4, !alias.scope !0, !noalias !2
; CHECK: %p_tmp11b = fadd float %tmp10b_p_scalar_, 1.000000e+00
; CHECK: store float %p_tmp11b, float* %scevgep[[R4]], align 4, !alias.scope !0, !noalias !2
; CHECK: %polly.indvar_next = add nsw i64 %polly.indvar, 1
; CHECK: %polly.loop_cond = icmp sle i64 %polly.indvar_next, 1023
; CHECK: br i1 %polly.loop_cond, label %polly.loop_header, label %polly.loop_exit
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
define void @f(float* %A) {
bb:
br label %bb1
bb1: ; preds = %bb13, %bb
%indvars.iv = phi i64 [ %indvars.iv.next, %bb13 ], [ 0, %bb ]
%exitcond = icmp ne i64 %indvars.iv, 1024
br i1 %exitcond, label %bb2, label %bb14
bb2: ; preds = %bb1
%tmp = getelementptr inbounds float, float* %A, i64 %indvars.iv
%tmp3 = load float, float* %tmp, align 4
%tmp4 = add nsw i64 %indvars.iv, -1
%tmp5 = getelementptr inbounds float, float* %A, i64 %tmp4
%tmp6 = load float, float* %tmp5, align 4
%tmp7 = fcmp oeq float %tmp3, %tmp6
br i1 %tmp7, label %bb8, label %bb12
bb8: ; preds = %bb2
%tmp9 = getelementptr inbounds float, float* %A, i64 %indvars.iv
%tmp10 = load float, float* %tmp9, align 4
%tmp11 = fadd float %tmp10, 1.000000e+00
store float %tmp11, float* %tmp9, align 4
br label %bb12
bb12: ; preds = %bb8, %bb2
%tmp9b = getelementptr inbounds float, float* %A, i64 %indvars.iv
%tmp10b = load float, float* %tmp9b, align 4
%tmp11b = fadd float %tmp10b, 1.000000e+00
store float %tmp11b, float* %tmp9b, align 4
br label %bb13
bb13: ; preds = %bb12
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
br label %bb1
bb14: ; preds = %bb1
ret void
}