mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-21 00:32:23 +00:00
3467b9fd5d
This fixes Clang :: CodeGen/complex-builtints.c on PowerPC. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167013 91177308-0d34-0410-b5e6-96231b3b80d8
161 lines
4.2 KiB
LLVM
161 lines
4.2 KiB
LLVM
; RUN: opt -S -instcombine < %s | FileCheck %s
|
|
|
|
define i1 @test1(float %x, float %y) nounwind {
|
|
%ext1 = fpext float %x to double
|
|
%ext2 = fpext float %y to double
|
|
%cmp = fcmp ogt double %ext1, %ext2
|
|
ret i1 %cmp
|
|
; CHECK: @test1
|
|
; CHECK-NEXT: fcmp ogt float %x, %y
|
|
}
|
|
|
|
define i1 @test2(float %a) nounwind {
|
|
%ext = fpext float %a to double
|
|
%cmp = fcmp ogt double %ext, 1.000000e+00
|
|
ret i1 %cmp
|
|
; CHECK: @test2
|
|
; CHECK-NEXT: fcmp ogt float %a, 1.0
|
|
}
|
|
|
|
define i1 @test3(float %a) nounwind {
|
|
%ext = fpext float %a to double
|
|
%cmp = fcmp ogt double %ext, 0x3FF0000000000001 ; more precision than float.
|
|
ret i1 %cmp
|
|
; CHECK: @test3
|
|
; CHECK-NEXT: fpext float %a to double
|
|
}
|
|
|
|
define i1 @test4(float %a) nounwind {
|
|
%ext = fpext float %a to double
|
|
%cmp = fcmp ogt double %ext, 0x36A0000000000000 ; denormal in float.
|
|
ret i1 %cmp
|
|
; CHECK: @test4
|
|
; CHECK-NEXT: fpext float %a to double
|
|
}
|
|
|
|
define i1 @test5(float %a) nounwind {
|
|
%neg = fsub float -0.000000e+00, %a
|
|
%cmp = fcmp ogt float %neg, 1.000000e+00
|
|
ret i1 %cmp
|
|
; CHECK: @test5
|
|
; CHECK-NEXT: fcmp olt float %a, -1.0
|
|
}
|
|
|
|
define i1 @test6(float %x, float %y) nounwind {
|
|
%neg1 = fsub float -0.000000e+00, %x
|
|
%neg2 = fsub float -0.000000e+00, %y
|
|
%cmp = fcmp olt float %neg1, %neg2
|
|
ret i1 %cmp
|
|
; CHECK: @test6
|
|
; CHECK-NEXT: fcmp ogt float %x, %y
|
|
}
|
|
|
|
define i1 @test7(float %x) nounwind readnone ssp noredzone {
|
|
%ext = fpext float %x to ppc_fp128
|
|
%cmp = fcmp ogt ppc_fp128 %ext, 0xM00000000000000000000000000000000
|
|
ret i1 %cmp
|
|
; CHECK: @test7
|
|
; CHECK-NEXT: fcmp ogt float %x, 0.000000e+00
|
|
}
|
|
|
|
define float @test8(float %x) nounwind readnone optsize ssp {
|
|
%conv = fpext float %x to double
|
|
%cmp = fcmp olt double %conv, 0.000000e+00
|
|
%conv1 = zext i1 %cmp to i32
|
|
%conv2 = sitofp i32 %conv1 to float
|
|
ret float %conv2
|
|
; Float comparison to zero shouldn't cast to double.
|
|
; CHECK: @test8
|
|
; CHECK-NEXT: fcmp olt float %x, 0.000000e+00
|
|
}
|
|
|
|
declare double @fabs(double) nounwind readnone
|
|
|
|
define i32 @test9(double %a) nounwind {
|
|
%call = tail call double @fabs(double %a) nounwind
|
|
%cmp = fcmp olt double %call, 0.000000e+00
|
|
%conv = zext i1 %cmp to i32
|
|
ret i32 %conv
|
|
; CHECK: @test9
|
|
; CHECK-NOT: fabs
|
|
; CHECK: ret i32 0
|
|
}
|
|
|
|
define i32 @test10(double %a) nounwind {
|
|
%call = tail call double @fabs(double %a) nounwind
|
|
%cmp = fcmp ole double %call, 0.000000e+00
|
|
%conv = zext i1 %cmp to i32
|
|
ret i32 %conv
|
|
; CHECK: @test10
|
|
; CHECK-NOT: fabs
|
|
; CHECK: fcmp oeq double %a, 0.000000e+00
|
|
}
|
|
|
|
define i32 @test11(double %a) nounwind {
|
|
%call = tail call double @fabs(double %a) nounwind
|
|
%cmp = fcmp ogt double %call, 0.000000e+00
|
|
%conv = zext i1 %cmp to i32
|
|
ret i32 %conv
|
|
; CHECK: @test11
|
|
; CHECK-NOT: fabs
|
|
; CHECK: fcmp one double %a, 0.000000e+00
|
|
}
|
|
|
|
define i32 @test12(double %a) nounwind {
|
|
%call = tail call double @fabs(double %a) nounwind
|
|
%cmp = fcmp oge double %call, 0.000000e+00
|
|
%conv = zext i1 %cmp to i32
|
|
ret i32 %conv
|
|
; CHECK: @test12
|
|
; CHECK-NOT: fabs
|
|
; CHECK: fcmp ord double %a, 0.000000e+00
|
|
}
|
|
|
|
define i32 @test13(double %a) nounwind {
|
|
%call = tail call double @fabs(double %a) nounwind
|
|
%cmp = fcmp une double %call, 0.000000e+00
|
|
%conv = zext i1 %cmp to i32
|
|
ret i32 %conv
|
|
; CHECK: @test13
|
|
; CHECK-NOT: fabs
|
|
; CHECK: fcmp une double %a, 0.000000e+00
|
|
}
|
|
|
|
define i32 @test14(double %a) nounwind {
|
|
%call = tail call double @fabs(double %a) nounwind
|
|
%cmp = fcmp oeq double %call, 0.000000e+00
|
|
%conv = zext i1 %cmp to i32
|
|
ret i32 %conv
|
|
; CHECK: @test14
|
|
; CHECK-NOT: fabs
|
|
; CHECK: fcmp oeq double %a, 0.000000e+00
|
|
}
|
|
|
|
define i32 @test15(double %a) nounwind {
|
|
%call = tail call double @fabs(double %a) nounwind
|
|
%cmp = fcmp one double %call, 0.000000e+00
|
|
%conv = zext i1 %cmp to i32
|
|
ret i32 %conv
|
|
; CHECK: @test15
|
|
; CHECK-NOT: fabs
|
|
; CHECK: fcmp one double %a, 0.000000e+00
|
|
}
|
|
|
|
define i32 @test16(double %a) nounwind {
|
|
%call = tail call double @fabs(double %a) nounwind
|
|
%cmp = fcmp ueq double %call, 0.000000e+00
|
|
%conv = zext i1 %cmp to i32
|
|
ret i32 %conv
|
|
; CHECK: @test16
|
|
; CHECK-NOT: fabs
|
|
; CHECK: fcmp ueq double %a, 0.000000e+00
|
|
}
|
|
|
|
; Don't crash.
|
|
define i32 @test17(double %a, double (double)* %p) nounwind {
|
|
%call = tail call double %p(double %a) nounwind
|
|
%cmp = fcmp ueq double %call, 0.000000e+00
|
|
%conv = zext i1 %cmp to i32
|
|
ret i32 %conv
|
|
}
|