llvm-6502/test/CodeGen/R600/fmax_legacy.f64.ll
Matt Arsenault 002ca4ca3f R600: Fix min/max matching problems with unordered compares
The returned operand needs to be permuted for the unordered
compares. Also fix incorrectly producing fmin_legacy / fmax_legacy
for f64, which don't exist.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224094 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-12 02:30:37 +00:00

68 lines
2.4 KiB
LLVM

; RUN: llc -march=r600 -mcpu=SI < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
; Make sure we don't try to form FMAX_LEGACY nodes with f64
declare i32 @llvm.r600.read.tidig.x() #1
; FUNC-LABEL: @test_fmax_legacy_uge_f64
define void @test_fmax_legacy_uge_f64(double addrspace(1)* %out, double addrspace(1)* %in) #0 {
%tid = call i32 @llvm.r600.read.tidig.x() #1
%gep.0 = getelementptr double addrspace(1)* %in, i32 %tid
%gep.1 = getelementptr double addrspace(1)* %gep.0, i32 1
%a = load double addrspace(1)* %gep.0, align 8
%b = load double addrspace(1)* %gep.1, align 8
%cmp = fcmp uge double %a, %b
%val = select i1 %cmp, double %a, double %b
store double %val, double addrspace(1)* %out, align 8
ret void
}
; FUNC-LABEL: @test_fmax_legacy_oge_f64
define void @test_fmax_legacy_oge_f64(double addrspace(1)* %out, double addrspace(1)* %in) #0 {
%tid = call i32 @llvm.r600.read.tidig.x() #1
%gep.0 = getelementptr double addrspace(1)* %in, i32 %tid
%gep.1 = getelementptr double addrspace(1)* %gep.0, i32 1
%a = load double addrspace(1)* %gep.0, align 8
%b = load double addrspace(1)* %gep.1, align 8
%cmp = fcmp oge double %a, %b
%val = select i1 %cmp, double %a, double %b
store double %val, double addrspace(1)* %out, align 8
ret void
}
; FUNC-LABEL: @test_fmax_legacy_ugt_f64
define void @test_fmax_legacy_ugt_f64(double addrspace(1)* %out, double addrspace(1)* %in) #0 {
%tid = call i32 @llvm.r600.read.tidig.x() #1
%gep.0 = getelementptr double addrspace(1)* %in, i32 %tid
%gep.1 = getelementptr double addrspace(1)* %gep.0, i32 1
%a = load double addrspace(1)* %gep.0, align 8
%b = load double addrspace(1)* %gep.1, align 8
%cmp = fcmp ugt double %a, %b
%val = select i1 %cmp, double %a, double %b
store double %val, double addrspace(1)* %out, align 8
ret void
}
; FUNC-LABEL: @test_fmax_legacy_ogt_f64
define void @test_fmax_legacy_ogt_f64(double addrspace(1)* %out, double addrspace(1)* %in) #0 {
%tid = call i32 @llvm.r600.read.tidig.x() #1
%gep.0 = getelementptr double addrspace(1)* %in, i32 %tid
%gep.1 = getelementptr double addrspace(1)* %gep.0, i32 1
%a = load double addrspace(1)* %gep.0, align 8
%b = load double addrspace(1)* %gep.1, align 8
%cmp = fcmp ogt double %a, %b
%val = select i1 %cmp, double %a, double %b
store double %val, double addrspace(1)* %out, align 8
ret void
}
attributes #0 = { nounwind }
attributes #1 = { nounwind readnone }