From 2b749571066384109c7602153d5dc25516a71d72 Mon Sep 17 00:00:00 2001 From: Benjamin Kramer Date: Sat, 18 Aug 2012 19:27:32 +0000 Subject: SimplifyLibcalls: Add fabs and trunc to the list of libcalls that are safe to shrink from double to float. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162173 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/Transforms/SimplifyLibCalls/floor.ll | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) (limited to 'test') diff --git a/test/Transforms/SimplifyLibCalls/floor.ll b/test/Transforms/SimplifyLibCalls/floor.ll index 03dcdf585f..93c62c2002 100644 --- a/test/Transforms/SimplifyLibCalls/floor.ll +++ b/test/Transforms/SimplifyLibCalls/floor.ll @@ -9,6 +9,8 @@ ; DO-SIMPLIFY: call float @ceilf( ; DO-SIMPLIFY: call float @roundf( ; DO-SIMPLIFY: call float @nearbyintf( +; DO-SIMPLIFY: call float @truncf( +; DO-SIMPLIFY: call float @fabsf( ; C89-SIMPLIFY: call float @floorf( ; C89-SIMPLIFY: call float @ceilf( @@ -19,6 +21,8 @@ ; DONT-SIMPLIFY: call double @ceil( ; DONT-SIMPLIFY: call double @round( ; DONT-SIMPLIFY: call double @nearbyint( +; DONT-SIMPLIFY: call double @trunc( +; DONT-SIMPLIFY: call double @fabs( declare double @floor(double) @@ -28,6 +32,10 @@ declare double @round(double) declare double @nearbyint(double) +declare double @trunc(double) + +declare double @fabs(double) + define float @test_floor(float %C) { %D = fpext float %C to double ; [#uses=1] ; --> floorf @@ -60,3 +68,18 @@ define float @test_nearbyint(float %C) { ret float %F } +define float @test_trunc(float %C) { + %D = fpext float %C to double + ; --> truncf + %E = call double @trunc(double %D) + %F = fptrunc double %E to float + ret float %F +} + +define float @test_fabs(float %C) { + %D = fpext float %C to double + ; --> fabsf + %E = call double @fabs(double %D) + %F = fptrunc double %E to float + ret float %F +} -- cgit v1.2.3