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TheRock/compiler/amd-llvm/polly/test/ScopDetect/non-affine-float-compare.ll
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

47 lines
1.6 KiB
LLVM

; RUN: opt %loadNPMPolly -polly-allow-nonaffine-branches '-passes=polly-custom<detect>' -polly-print-detect -disable-output < %s 2>&1 | FileCheck %s
;
; void f(float *A) {
; for (int i = 0; i < 1024; i++)
; if (A[i] == A[i - 1])
; A[i]++;
; }
;
; CHECK: Valid Region for Scop: bb1 => bb14
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
define void @f(ptr %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, ptr %A, i64 %indvars.iv
%tmp3 = load float, ptr %tmp, align 4
%tmp4 = add nsw i64 %indvars.iv, -1
%tmp5 = getelementptr inbounds float, ptr %A, i64 %tmp4
%tmp6 = load float, ptr %tmp5, align 4
%tmp7 = fcmp oeq float %tmp3, %tmp6
br i1 %tmp7, label %bb8, label %bb12
bb8: ; preds = %bb2
%tmp9 = getelementptr inbounds float, ptr %A, i64 %indvars.iv
%tmp10 = load float, ptr %tmp9, align 4
%tmp11 = fadd float %tmp10, 1.000000e+00
store float %tmp11, ptr %tmp9, align 4
br label %bb12
bb12: ; preds = %bb8, %bb2
br label %bb13
bb13: ; preds = %bb12
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
br label %bb1
bb14: ; preds = %bb1
ret void
}