[llvm] Conditionally include target intrinsics, based on --enable-target

test/Transforms/ConstProp/X86/calls.ll

 ; RUN: opt < %s -constprop -S | FileCheck %s
 
-declare double @cos(double)
-
-declare double @sin(double)
-
-declare double @tan(double)
-
-declare double @sqrt(double)
-declare double @exp2(double)
-
-define double @T() {
-; CHECK: @T
-; CHECK-NOT: call
-; CHECK: ret
-  %A = call double @cos(double 0.000000e+00)
-  %B = call double @sin(double 0.000000e+00)
-  %a = fadd double %A, %B
-  %C = call double @tan(double 0.000000e+00)
-  %b = fadd double %a, %C
-  %D = call double @sqrt(double 4.000000e+00)
-  %c = fadd double %b, %D
-
-  ; PR9315
-  %E = call double @exp2(double 4.0)
-  %d = fadd double %c, %E 
-  ret double %d
-}
-
 define i1 @test_sse_cvt() nounwind readnone {
 ; CHECK: @test_sse_cvt
 ; CHECK-NOT: call
 ; CHECK: ret i1 true
 entry:
   %i0 = tail call i32 @llvm.x86.sse.cvtss2si(<4 x float> <float 1.75, float undef, float undef, float undef>) nounwind
   %i1 = tail call i32 @llvm.x86.sse.cvttss2si(<4 x float> <float 1.75, float undef, float undef, float undef>) nounwind
   %i2 = tail call i64 @llvm.x86.sse.cvtss2si64(<4 x float> <float 1.75, float undef, float undef, float undef>) nounwind
   %i3 = tail call i64 @llvm.x86.sse.cvttss2si64(<4 x float> <float 1.75, float undef, float undef, float undef>) nounwind
   %i4 = call i32 @llvm.x86.sse2.cvtsd2si(<2 x double> <double 1.75, double undef>) nounwind
@@ skipping 12 matching lines @@
 }
 
 declare i32 @llvm.x86.sse.cvtss2si(<4 x float>) nounwind readnone
 declare i32 @llvm.x86.sse.cvttss2si(<4 x float>) nounwind readnone
 declare i64 @llvm.x86.sse.cvtss2si64(<4 x float>) nounwind readnone
 declare i64 @llvm.x86.sse.cvttss2si64(<4 x float>) nounwind readnone
 declare i32 @llvm.x86.sse2.cvtsd2si(<2 x double>) nounwind readnone
 declare i32 @llvm.x86.sse2.cvttsd2si(<2 x double>) nounwind readnone
 declare i64 @llvm.x86.sse2.cvtsd2si64(<2 x double>) nounwind readnone
 declare i64 @llvm.x86.sse2.cvttsd2si64(<2 x double>) nounwind readnone