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authorRoman Lebedev <lebedev.ri@gmail.com>2020-07-06 17:50:31 +0300
committerRoman Lebedev <lebedev.ri@gmail.com>2020-07-06 18:00:22 +0300
commita2619a60e4601c445e9ca6e16c76052e00d907ff (patch)
tree51b243e81ca79707f5e335a8d5b5a603f957629f /polly
parent5814255e1a7d2e90580d6df457ddd13b1cd156cb (diff)
downloadllvm-a2619a60e4601c445e9ca6e16c76052e00d907ff.tar.gz
Reland "[ScalarEvolution] createSCEV(): recognize `udiv`/`urem` disguised as an `sdiv`/`srem`"
This reverts commit d3e3f36ff1151f565730977ac4f663a2ccee48ae, which reverter the original commit 2c16100e6f72075564ea1f67fa5a82c269dafcd3, but with polly tests now actually passing.
Diffstat (limited to 'polly')
-rw-r--r--polly/test/Isl/CodeGen/MemAccess/generate-all.ll9
-rw-r--r--polly/test/ScopInfo/multidim_srem.ll5
2 files changed, 8 insertions, 6 deletions
diff --git a/polly/test/Isl/CodeGen/MemAccess/generate-all.ll b/polly/test/Isl/CodeGen/MemAccess/generate-all.ll
index a3253ef2d168..f9b07a947c6a 100644
--- a/polly/test/Isl/CodeGen/MemAccess/generate-all.ll
+++ b/polly/test/Isl/CodeGen/MemAccess/generate-all.ll
@@ -9,11 +9,12 @@
; }
; SCEV: polly.stmt.bb2: ; preds = %polly.loop_header
-; SCEV-NEXT: %p_tmp = srem i64 %polly.indvar, 4
-; SCEV-NEXT: %p_tmp3 = getelementptr inbounds float, float* %A, i64 %p_tmp
-; SCEV-NEXT: %tmp4_p_scalar_ = load float, float* %p_tmp3, align 4, !alias.scope !0, !noalias !2
+; SCEV-NEXT: %0 = trunc i64 %polly.indvar to i2
+; SCEV-NEXT: %1 = zext i2 %0 to i64
+; SCEV-NEXT: %scevgep = getelementptr float, float* %A, i64 %1
+; SCEV-NEXT: %tmp4_p_scalar_ = load float, float* %scevgep, align 4, !alias.scope !0, !noalias !2
; SCEV-NEXT: %p_tmp5 = fadd float %tmp4_p_scalar_, 1.000000e+01
-; SCEV-NEXT: store float %p_tmp5, float* %p_tmp3, align 4, !alias.scope !0, !noalias !2
+; SCEV-NEXT: store float %p_tmp5, float* %scevgep, align 4, !alias.scope !0, !noalias !2
; SCEV-NEXT: %polly.indvar_next = add nsw i64 %polly.indvar, 1
; SCEV-NEXT: %polly.loop_cond = icmp sle i64 %polly.indvar_next, 99
; SCEV-NEXT: br i1 %polly.loop_cond, label %polly.loop_header, label %polly.loop_exit
diff --git a/polly/test/ScopInfo/multidim_srem.ll b/polly/test/ScopInfo/multidim_srem.ll
index 10673f41aaee..f7f9616a9df3 100644
--- a/polly/test/ScopInfo/multidim_srem.ll
+++ b/polly/test/ScopInfo/multidim_srem.ll
@@ -14,11 +14,12 @@
; CHECK-NEXT: Schedule :=
; CHECK-NEXT: [n] -> { Stmt_for_body_8[i0, i1, i2] -> [i0, i1, i2] };
; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
-; CHECK-NEXT: [n] -> { Stmt_for_body_8[i0, i1, i2] -> MemRef_A[o0, i1, i2] : (i0 + o0) mod 2 = 0 and 0 <= o0 <= 1 }
+; CHECK-NEXT: [n] -> { Stmt_for_body_8[i0, i1, i2] -> MemRef_A[1, i1, i2] : (1 + i0) mod 2 = 0; Stmt_for_body_8[i0, i1, i2] -> MemRef_A[0, i1, i2] : (i0) mod 2 = 0 };
; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
-; CHECK-NEXT: [n] -> { Stmt_for_body_8[i0, i1, i2] -> MemRef_A[o0, i1, i2] : (i0 + o0) mod 2 = 0 and 0 <= o0 <= 1 };
+; CHECK-NEXT: [n] -> { Stmt_for_body_8[i0, i1, i2] -> MemRef_A[1, i1, i2] : (1 + i0) mod 2 = 0; Stmt_for_body_8[i0, i1, i2] -> MemRef_A[0, i1, i2] : (i0) mod 2 = 0 };
; CHECK-NEXT: }
+
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"