From 73a92e6348546bc12fd42091a0e85d18ddd40968 Mon Sep 17 00:00:00 2001 From: David Bolvansky Date: Tue, 9 Jul 2019 15:31:36 +0000 Subject: [PATCH] [NFC] Fixed tests git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@365506 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/Transforms/InstSimplify/ashr-lshr.ll | 202 ++++++++++++++-------- 1 file changed, 133 insertions(+), 69 deletions(-) diff --git a/test/Transforms/InstSimplify/ashr-lshr.ll b/test/Transforms/InstSimplify/ashr-lshr.ll index 1405f9ebff7..f11aacac7bc 100644 --- a/test/Transforms/InstSimplify/ashr-lshr.ll +++ b/test/Transforms/InstSimplify/ashr-lshr.ll @@ -1,34 +1,43 @@ ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py -; RUN: opt < %s -instcombine -S | FileCheck %s +; RUN: opt < %s -instsimplify -S | FileCheck %s -define i32 @ashr_lshr_abs(i32 %x, i32 %y) { -; CHECK-LABEL: @ashr_lshr_abs( -; CHECK-NEXT: [[R:%.*]] = ashr i32 [[X:%.*]], [[Y:%.*]] -; CHECK-NEXT: ret i32 [[R]] +define i32 @ashr_lshr(i32 %x, i32 %y) { +; CHECK-LABEL: @ashr_lshr( +; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i32 [[X:%.*]], -1 +; CHECK-NEXT: [[L:%.*]] = lshr i32 [[X]], [[Y:%.*]] +; CHECK-NEXT: [[R:%.*]] = ashr i32 [[X]], [[Y]] +; CHECK-NEXT: [[RET:%.*]] = select i1 [[CMP]], i32 [[L]], i32 [[R]] +; CHECK-NEXT: ret i32 [[RET]] ; - %cmp = icmp sge i32 %x, 0 + %cmp = icmp sgt i32 %x, -1 %l = lshr i32 %x, %y %r = ashr i32 %x, %y %ret = select i1 %cmp, i32 %l, i32 %r ret i32 %ret } -define i32 @ashr_lshr_abs_both_exact(i32 %x, i32 %y) { -; CHECK-LABEL: @ashr_lshr_abs( -; CHECK-NEXT: [[R:%.*]] = ashr i32 [[X:%.*]], [[Y:%.*]] -; CHECK-NEXT: ret i32 [[R]] +define i32 @ashr_lshr_exact(i32 %x, i32 %y) { +; CHECK-LABEL: @ashr_lshr_exact( +; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i32 [[X:%.*]], -1 +; CHECK-NEXT: [[L:%.*]] = lshr exact i32 [[X]], [[Y:%.*]] +; CHECK-NEXT: [[R:%.*]] = ashr exact i32 [[X]], [[Y]] +; CHECK-NEXT: [[RET:%.*]] = select i1 [[CMP]], i32 [[L]], i32 [[R]] +; CHECK-NEXT: ret i32 [[RET]] ; - %cmp = icmp sge i32 %x, 0 + %cmp = icmp sgt i32 %x, -1 %l = lshr exact i32 %x, %y %r = ashr exact i32 %x, %y %ret = select i1 %cmp, i32 %l, i32 %r ret i32 %ret } -define i32 @ashr_lshr_abs2(i32 %x, i32 %y) { -; CHECK-LABEL: @ashr_lshr_abs2( -; CHECK-NEXT: [[R:%.*]] = ashr i32 [[X:%.*]], [[Y:%.*]] -; CHECK-NEXT: ret i32 [[R]] +define i32 @ashr_lshr2(i32 %x, i32 %y) { +; CHECK-LABEL: @ashr_lshr2( +; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i32 [[X:%.*]], -1 +; CHECK-NEXT: [[L:%.*]] = lshr i32 [[X]], [[Y:%.*]] +; CHECK-NEXT: [[R:%.*]] = ashr i32 [[X]], [[Y]] +; CHECK-NEXT: [[RET:%.*]] = select i1 [[CMP]], i32 [[L]], i32 [[R]] +; CHECK-NEXT: ret i32 [[RET]] ; %cmp = icmp sgt i32 %x, -1 %l = lshr i32 %x, %y @@ -37,34 +46,58 @@ define i32 @ashr_lshr_abs2(i32 %x, i32 %y) { ret i32 %ret } -define <2 x i32> @ashr_lshr_abs_vec(<2 x i32> %x, <2 x i32> %y) { -; CHECK-LABEL: @ashr_lshr_abs_vec( -; CHECK-NEXT: [[R:%.*]] = ashr <2 x i32> [[X:%.*]], [[Y:%.*]] -; CHECK-NEXT: ret <2 x i32> [[R]] +define <2 x i32> @ashr_lshr_vec(<2 x i32> %x, <2 x i32> %y) { +; CHECK-LABEL: @ashr_lshr_vec( +; CHECK-NEXT: [[CMP:%.*]] = icmp sgt <2 x i32> [[X:%.*]], +; CHECK-NEXT: [[L:%.*]] = lshr <2 x i32> [[X]], [[Y:%.*]] +; CHECK-NEXT: [[R:%.*]] = ashr <2 x i32> [[X]], [[Y]] +; CHECK-NEXT: [[RET:%.*]] = select <2 x i1> [[CMP]], <2 x i32> [[L]], <2 x i32> [[R]] +; CHECK-NEXT: ret <2 x i32> [[RET]] ; - %cmp = icmp sge <2 x i32> %x, zeroinitializer + %cmp = icmp sgt <2 x i32> %x, %l = lshr <2 x i32> %x, %y %r = ashr <2 x i32> %x, %y %ret = select <2 x i1> %cmp, <2 x i32> %l, <2 x i32> %r ret <2 x i32> %ret } -define i32 @ashr_lshr_nabs2(i32 %x, i32 %y) { -; CHECK-LABEL: @ashr_lshr_nabs2( -; CHECK-NEXT: [[R:%.*]] = ashr i32 [[X:%.*]], [[Y:%.*]] -; CHECK-NEXT: ret i32 [[R]] +define <2 x i32> @ashr_lshr_vec2(<2 x i32> %x, <2 x i32> %y) { +; CHECK-LABEL: @ashr_lshr_vec2( +; CHECK-NEXT: [[CMP:%.*]] = icmp sgt <2 x i32> [[X:%.*]], +; CHECK-NEXT: [[L:%.*]] = lshr <2 x i32> [[X]], [[Y:%.*]] +; CHECK-NEXT: [[R:%.*]] = ashr <2 x i32> [[X]], [[Y]] +; CHECK-NEXT: [[RET:%.*]] = select <2 x i1> [[CMP]], <2 x i32> [[L]], <2 x i32> [[R]] +; CHECK-NEXT: ret <2 x i32> [[RET]] ; - %cmp = icmp sle i32 %x, 0 - %l = lshr i32 %x, %y - %r = ashr i32 %x, %y - %ret = select i1 %cmp, i32 %r, i32 %l - ret i32 %ret + %cmp = icmp sgt <2 x i32> %x, + %l = lshr <2 x i32> %x, %y + %r = ashr <2 x i32> %x, %y + %ret = select <2 x i1> %cmp, <2 x i32> %l, <2 x i32> %r + ret <2 x i32> %ret +} + +define <2 x i32> @ashr_lshr_vec3(<2 x i32> %x, <2 x i32> %y) { +; CHECK-LABEL: @ashr_lshr_vec3( +; CHECK-NEXT: [[CMP:%.*]] = icmp slt <2 x i32> [[X:%.*]], +; CHECK-NEXT: [[L:%.*]] = lshr <2 x i32> [[X]], [[Y:%.*]] +; CHECK-NEXT: [[R:%.*]] = ashr <2 x i32> [[X]], [[Y]] +; CHECK-NEXT: [[RET:%.*]] = select <2 x i1> [[CMP]], <2 x i32> [[R]], <2 x i32> [[L]] +; CHECK-NEXT: ret <2 x i32> [[RET]] +; + %cmp = icmp slt <2 x i32> %x, + %l = lshr <2 x i32> %x, %y + %r = ashr <2 x i32> %x, %y + %ret = select <2 x i1> %cmp, <2 x i32> %r, <2 x i32> %l + ret <2 x i32> %ret } -define i32 @ashr_lshr_nabs(i32 %x, i32 %y) { -; CHECK-LABEL: @ashr_lshr_nabs( -; CHECK-NEXT: [[R:%.*]] = ashr i32 [[X:%.*]], [[Y:%.*]] -; CHECK-NEXT: ret i32 [[R]] +define i32 @ashr_lshr_inv(i32 %x, i32 %y) { +; CHECK-LABEL: @ashr_lshr_inv( +; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 1 +; CHECK-NEXT: [[L:%.*]] = lshr i32 [[X]], [[Y:%.*]] +; CHECK-NEXT: [[R:%.*]] = ashr i32 [[X]], [[Y]] +; CHECK-NEXT: [[RET:%.*]] = select i1 [[CMP]], i32 [[R]], i32 [[L]] +; CHECK-NEXT: ret i32 [[RET]] ; %cmp = icmp slt i32 %x, 1 %l = lshr i32 %x, %y @@ -73,24 +106,56 @@ define i32 @ashr_lshr_nabs(i32 %x, i32 %y) { ret i32 %ret } -define <2 x i32> @ashr_lshr_nabs_vec(<2 x i32> %x, <2 x i32> %y) { -; CHECK-LABEL: @ashr_lshr_nabs_vec( -; CHECK-NEXT: [[R:%.*]] = ashr <2 x i32> [[X:%.*]], [[Y:%.*]] -; CHECK-NEXT: ret <2 x i32> [[R]] +define <2 x i32> @ashr_lshr_inv_vec(<2 x i32> %x, <2 x i32> %y) { +; CHECK-LABEL: @ashr_lshr_inv_vec( +; CHECK-NEXT: [[CMP:%.*]] = icmp slt <2 x i32> [[X:%.*]], +; CHECK-NEXT: [[L:%.*]] = lshr <2 x i32> [[X]], [[Y:%.*]] +; CHECK-NEXT: [[R:%.*]] = ashr <2 x i32> [[X]], [[Y]] +; CHECK-NEXT: [[RET:%.*]] = select <2 x i1> [[CMP]], <2 x i32> [[R]], <2 x i32> [[L]] +; CHECK-NEXT: ret <2 x i32> [[RET]] ; - %cmp = icmp sle <2 x i32> %x, zeroinitializer + %cmp = icmp slt <2 x i32> %x, %l = lshr <2 x i32> %x, %y %r = ashr <2 x i32> %x, %y %ret = select <2 x i1> %cmp, <2 x i32> %r, <2 x i32> %l ret <2 x i32> %ret } +define i32 @ashr_lshr_exact_mismatch(i32 %x, i32 %y) { +; CHECK-LABEL: @ashr_lshr_exact_mismatch( +; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i32 [[X:%.*]], -1 +; CHECK-NEXT: [[L:%.*]] = lshr i32 [[X]], [[Y:%.*]] +; CHECK-NEXT: [[R:%.*]] = ashr exact i32 [[X]], [[Y]] +; CHECK-NEXT: [[RET:%.*]] = select i1 [[CMP]], i32 [[L]], i32 [[R]] +; CHECK-NEXT: ret i32 [[RET]] +; + %cmp = icmp sgt i32 %x, -1 + %l = lshr i32 %x, %y + %r = ashr exact i32 %x, %y + %ret = select i1 %cmp, i32 %l, i32 %r + ret i32 %ret +} + +define i32 @ashr_lshr_exact_mismatch2(i32 %x, i32 %y) { +; CHECK-LABEL: @ashr_lshr_exact_mismatch2( +; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i32 [[X:%.*]], -1 +; CHECK-NEXT: [[L:%.*]] = lshr exact i32 [[X]], [[Y:%.*]] +; CHECK-NEXT: [[R:%.*]] = ashr i32 [[X]], [[Y]] +; CHECK-NEXT: [[RET:%.*]] = select i1 [[CMP]], i32 [[L]], i32 [[R]] +; CHECK-NEXT: ret i32 [[RET]] +; + %cmp = icmp sgt i32 %x, -1 + %l = lshr exact i32 %x, %y + %r = ashr i32 %x, %y + %ret = select i1 %cmp, i32 %l, i32 %r + ret i32 %ret +} ; Negative tests -define i32 @ashr_lshr_wrong_abs(i32 %x, i32 %y) { -; CHECK-LABEL: @ashr_lshr_wrong_abs( -; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i32 [[X:%.*]], -2 +define i32 @ashr_lshr_wrong(i32 %x, i32 %y) { +; CHECK-LABEL: @ashr_lshr_wrong( +; CHECK-NEXT: [[CMP:%.*]] = icmp sge i32 [[X:%.*]], -1 ; CHECK-NEXT: [[L:%.*]] = lshr i32 [[X]], [[Y:%.*]] ; CHECK-NEXT: [[R:%.*]] = ashr i32 [[X]], [[Y]] ; CHECK-NEXT: [[RET:%.*]] = select i1 [[CMP]], i32 [[L]], i32 [[R]] @@ -103,9 +168,9 @@ define i32 @ashr_lshr_wrong_abs(i32 %x, i32 %y) { ret i32 %ret } -define i32 @ashr_lshr_abs_shift_wrong_pred(i32 %x, i32 %y, i32 %z) { -; CHECK-LABEL: @ashr_lshr_abs_shift_wrong_pred( -; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 1 +define i32 @ashr_lshr_shift_wrong_pred(i32 %x, i32 %y, i32 %z) { +; CHECK-LABEL: @ashr_lshr_shift_wrong_pred( +; CHECK-NEXT: [[CMP:%.*]] = icmp sle i32 [[X:%.*]], 0 ; CHECK-NEXT: [[L:%.*]] = lshr i32 [[X]], [[Y:%.*]] ; CHECK-NEXT: [[R:%.*]] = ashr i32 [[X]], [[Y]] ; CHECK-NEXT: [[RET:%.*]] = select i1 [[CMP]], i32 [[L]], i32 [[R]] @@ -118,9 +183,9 @@ define i32 @ashr_lshr_abs_shift_wrong_pred(i32 %x, i32 %y, i32 %z) { ret i32 %ret } -define i32 @ashr_lshr_abs_shift_wrong_pred2(i32 %x, i32 %y, i32 %z) { -; CHECK-LABEL: @ashr_lshr_abs_shift_wrong_pred2( -; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i32 [[Z:%.*]], -1 +define i32 @ashr_lshr_shift_wrong_pred2(i32 %x, i32 %y, i32 %z) { +; CHECK-LABEL: @ashr_lshr_shift_wrong_pred2( +; CHECK-NEXT: [[CMP:%.*]] = icmp sge i32 [[Z:%.*]], 0 ; CHECK-NEXT: [[L:%.*]] = lshr i32 [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: [[R:%.*]] = ashr i32 [[X]], [[Y]] ; CHECK-NEXT: [[RET:%.*]] = select i1 [[CMP]], i32 [[L]], i32 [[R]] @@ -133,9 +198,9 @@ define i32 @ashr_lshr_abs_shift_wrong_pred2(i32 %x, i32 %y, i32 %z) { ret i32 %ret } -define i32 @ashr_lshr_abs_wrong_operands(i32 %x, i32 %y) { -; CHECK-LABEL: @ashr_lshr_abs_wrong_operands( -; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i32 [[X:%.*]], -1 +define i32 @ashr_lshr_wrong_operands(i32 %x, i32 %y) { +; CHECK-LABEL: @ashr_lshr_wrong_operands( +; CHECK-NEXT: [[CMP:%.*]] = icmp sge i32 [[X:%.*]], 0 ; CHECK-NEXT: [[L:%.*]] = lshr i32 [[X]], [[Y:%.*]] ; CHECK-NEXT: [[R:%.*]] = ashr i32 [[X]], [[Y]] ; CHECK-NEXT: [[RET:%.*]] = select i1 [[CMP]], i32 [[R]], i32 [[L]] @@ -148,9 +213,9 @@ define i32 @ashr_lshr_abs_wrong_operands(i32 %x, i32 %y) { ret i32 %ret } -define i32 @ashr_lshr_abs_no_ashr(i32 %x, i32 %y) { -; CHECK-LABEL: @ashr_lshr_abs_no_ashr( -; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i32 [[X:%.*]], -1 +define i32 @ashr_lshr_no_ashr(i32 %x, i32 %y) { +; CHECK-LABEL: @ashr_lshr_no_ashr( +; CHECK-NEXT: [[CMP:%.*]] = icmp sge i32 [[X:%.*]], 0 ; CHECK-NEXT: [[L:%.*]] = lshr i32 [[X]], [[Y:%.*]] ; CHECK-NEXT: [[R:%.*]] = xor i32 [[X]], [[Y]] ; CHECK-NEXT: [[RET:%.*]] = select i1 [[CMP]], i32 [[L]], i32 [[R]] @@ -163,9 +228,9 @@ define i32 @ashr_lshr_abs_no_ashr(i32 %x, i32 %y) { ret i32 %ret } -define i32 @ashr_lshr_abs_shift_amt_mismatch(i32 %x, i32 %y, i32 %z) { -; CHECK-LABEL: @ashr_lshr_abs_shift_amt_mismatch( -; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i32 [[X:%.*]], -1 +define i32 @ashr_lshr_shift_amt_mismatch(i32 %x, i32 %y, i32 %z) { +; CHECK-LABEL: @ashr_lshr_shift_amt_mismatch( +; CHECK-NEXT: [[CMP:%.*]] = icmp sge i32 [[X:%.*]], 0 ; CHECK-NEXT: [[L:%.*]] = lshr i32 [[X]], [[Y:%.*]] ; CHECK-NEXT: [[R:%.*]] = ashr i32 [[X]], [[Z:%.*]] ; CHECK-NEXT: [[RET:%.*]] = select i1 [[CMP]], i32 [[L]], i32 [[R]] @@ -178,9 +243,9 @@ define i32 @ashr_lshr_abs_shift_amt_mismatch(i32 %x, i32 %y, i32 %z) { ret i32 %ret } -define i32 @ashr_lshr_abs_shift_base_mismatch(i32 %x, i32 %y, i32 %z) { -; CHECK-LABEL: @ashr_lshr_abs_shift_base_mismatch( -; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i32 [[X:%.*]], -1 +define i32 @ashr_lshr_shift_base_mismatch(i32 %x, i32 %y, i32 %z) { +; CHECK-LABEL: @ashr_lshr_shift_base_mismatch( +; CHECK-NEXT: [[CMP:%.*]] = icmp sge i32 [[X:%.*]], 0 ; CHECK-NEXT: [[L:%.*]] = lshr i32 [[X]], [[Y:%.*]] ; CHECK-NEXT: [[R:%.*]] = ashr i32 [[Z:%.*]], [[Y]] ; CHECK-NEXT: [[RET:%.*]] = select i1 [[CMP]], i32 [[L]], i32 [[R]] @@ -193,9 +258,9 @@ define i32 @ashr_lshr_abs_shift_base_mismatch(i32 %x, i32 %y, i32 %z) { ret i32 %ret } -define i32 @ashr_lshr_abs_no_lshr(i32 %x, i32 %y) { -; CHECK-LABEL: @ashr_lshr_abs_no_lshr( -; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i32 [[X:%.*]], -1 +define i32 @ashr_lshr_no_lshr(i32 %x, i32 %y) { +; CHECK-LABEL: @ashr_lshr_no_lshr( +; CHECK-NEXT: [[CMP:%.*]] = icmp sge i32 [[X:%.*]], 0 ; CHECK-NEXT: [[L:%.*]] = add i32 [[X]], [[Y:%.*]] ; CHECK-NEXT: [[R:%.*]] = ashr i32 [[X]], [[Y]] ; CHECK-NEXT: [[RET:%.*]] = select i1 [[CMP]], i32 [[L]], i32 [[R]] @@ -208,9 +273,9 @@ define i32 @ashr_lshr_abs_no_lshr(i32 %x, i32 %y) { ret i32 %ret } -define <2 x i32> @ashr_lshr_abs_vec_wrong_pred(<2 x i32> %x, <2 x i32> %y) { -; CHECK-LABEL: @ashr_lshr_abs_vec_wrong_pred( -; CHECK-NEXT: [[CMP:%.*]] = icmp slt <2 x i32> [[X:%.*]], +define <2 x i32> @ashr_lshr_vec_wrong_pred(<2 x i32> %x, <2 x i32> %y) { +; CHECK-LABEL: @ashr_lshr_vec_wrong_pred( +; CHECK-NEXT: [[CMP:%.*]] = icmp sle <2 x i32> [[X:%.*]], zeroinitializer ; CHECK-NEXT: [[L:%.*]] = lshr <2 x i32> [[X]], [[Y:%.*]] ; CHECK-NEXT: [[R:%.*]] = ashr <2 x i32> [[X]], [[Y]] ; CHECK-NEXT: [[RET:%.*]] = select <2 x i1> [[CMP]], <2 x i32> [[L]], <2 x i32> [[R]] @@ -223,9 +288,9 @@ define <2 x i32> @ashr_lshr_abs_vec_wrong_pred(<2 x i32> %x, <2 x i32> %y) { ret <2 x i32> %ret } -define <2 x i32> @ashr_lshr_nabs_vec_wrong_pred(<2 x i32> %x, <2 x i32> %y) { -; CHECK-LABEL: @ashr_lshr_nabs_vec_wrong_pred( -; CHECK-NEXT: [[CMP:%.*]] = icmp sgt <2 x i32> [[X:%.*]], +define <2 x i32> @ashr_lshr_inv_vec_wrong_pred(<2 x i32> %x, <2 x i32> %y) { +; CHECK-LABEL: @ashr_lshr_inv_vec_wrong_pred( +; CHECK-NEXT: [[CMP:%.*]] = icmp sge <2 x i32> [[X:%.*]], zeroinitializer ; CHECK-NEXT: [[L:%.*]] = lshr <2 x i32> [[X]], [[Y:%.*]] ; CHECK-NEXT: [[R:%.*]] = ashr <2 x i32> [[X]], [[Y]] ; CHECK-NEXT: [[RET:%.*]] = select <2 x i1> [[CMP]], <2 x i32> [[R]], <2 x i32> [[L]] @@ -237,4 +302,3 @@ define <2 x i32> @ashr_lshr_nabs_vec_wrong_pred(<2 x i32> %x, <2 x i32> %y) { %ret = select <2 x i1> %cmp, <2 x i32> %r, <2 x i32> %l ret <2 x i32> %ret } - -- 2.50.1