From c89b2dfcabfc574396079ad0ed0c74774c52b88f Mon Sep 17 00:00:00 2001 From: Cameron McInally Date: Mon, 29 Jul 2019 16:09:56 +0000 Subject: [PATCH] [NFC][FPEnv] Pre-commit tests for canonicalize negated operand of fdiv. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@367233 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/Transforms/InstCombine/fdiv.ll | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/test/Transforms/InstCombine/fdiv.ll b/test/Transforms/InstCombine/fdiv.ll index 1cc50528305..468df8dd6a1 100644 --- a/test/Transforms/InstCombine/fdiv.ll +++ b/test/Transforms/InstCombine/fdiv.ll @@ -510,6 +510,17 @@ define double @fdiv_fneg1(double %x, double %y) { ret double %div } +define double @fdiv_unary_fneg1(double %x, double %y) { +; CHECK-LABEL: @fdiv_unary_fneg1( +; CHECK-NEXT: [[TMP1:%.*]] = fdiv double [[X:%.*]], [[Y:%.*]] +; CHECK-NEXT: [[DIV:%.*]] = fsub double -0.000000e+00, [[TMP1]] +; CHECK-NEXT: ret double [[DIV]] +; + %neg = fneg double %x + %div = fdiv double %neg, %y + ret double %div +} + define <2 x float> @fdiv_fneg2(<2 x float> %x, <2 x float> %y) { ; CHECK-LABEL: @fdiv_fneg2( ; CHECK-NEXT: [[TMP1:%.*]] = fdiv <2 x float> [[Y:%.*]], [[X:%.*]] @@ -521,6 +532,17 @@ define <2 x float> @fdiv_fneg2(<2 x float> %x, <2 x float> %y) { ret <2 x float> %div } +define <2 x float> @fdiv_unary_fneg2(<2 x float> %x, <2 x float> %y) { +; CHECK-LABEL: @fdiv_unary_fneg2( +; CHECK-NEXT: [[TMP1:%.*]] = fdiv <2 x float> [[Y:%.*]], [[X:%.*]] +; CHECK-NEXT: [[DIV:%.*]] = fsub <2 x float> , [[TMP1]] +; CHECK-NEXT: ret <2 x float> [[DIV]] +; + %neg = fneg <2 x float> %x + %div = fdiv <2 x float> %y, %neg + ret <2 x float> %div +} + define float @fdiv_fneg1_extra_use(float %x, float %y) { ; CHECK-LABEL: @fdiv_fneg1_extra_use( ; CHECK-NEXT: [[NEG:%.*]] = fsub float -0.000000e+00, [[X:%.*]] -- 2.40.0