Files
archived-llvm/test/CodeGen/AMDGPU/selectcc-opt.ll
Matt Arsenault d019e8638a Enable FeatureFlatForGlobal on Volcanic Islands
This switches to the workaround that HSA defaults to
for the mesa path.

This should be applied to the 4.0 branch.

Patch by Vedran Miletić <vedran@miletic.net>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@292982 91177308-0d34-0410-b5e6-96231b3b80d8
2017-01-24 22:02:15 +00:00

81 lines
2.2 KiB
LLVM

; RUN: llc -march=amdgcn < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
; FUNC-LABEL: {{^}}test_a:
; EG-NOT: CND
; EG: SET{{[NEQGTL]+}}_DX10
define void @test_a(i32 addrspace(1)* %out, float %in) {
entry:
%0 = fcmp olt float %in, 0.000000e+00
%1 = select i1 %0, float 1.000000e+00, float 0.000000e+00
%2 = fsub float -0.000000e+00, %1
%3 = fptosi float %2 to i32
%4 = bitcast i32 %3 to float
%5 = bitcast float %4 to i32
%6 = icmp ne i32 %5, 0
br i1 %6, label %IF, label %ENDIF
IF:
%7 = getelementptr i32, i32 addrspace(1)* %out, i32 1
store i32 0, i32 addrspace(1)* %7
br label %ENDIF
ENDIF:
store i32 0, i32 addrspace(1)* %out
ret void
}
; Same as test_a, but the branch labels are swapped to produce the inverse cc
; for the icmp instruction
; EG-LABEL: {{^}}test_b:
; EG: SET{{[GTEQN]+}}_DX10
; EG-NEXT: PRED_
; EG-NEXT: ALU clause starting
define void @test_b(i32 addrspace(1)* %out, float %in) {
entry:
%0 = fcmp olt float %in, 0.0
%1 = select i1 %0, float 1.000000e+00, float 0.000000e+00
%2 = fsub float -0.000000e+00, %1
%3 = fptosi float %2 to i32
%4 = bitcast i32 %3 to float
%5 = bitcast float %4 to i32
%6 = icmp ne i32 %5, 0
br i1 %6, label %ENDIF, label %IF
IF:
%7 = getelementptr i32, i32 addrspace(1)* %out, i32 1
store i32 0, i32 addrspace(1)* %7
br label %ENDIF
ENDIF:
store i32 0, i32 addrspace(1)* %out
ret void
}
; Test a CND*_INT instruction with float true/false values
; EG-LABEL: {{^}}test_c:
; EG: CND{{[GTE]+}}_INT
define void @test_c(float addrspace(1)* %out, i32 %in) {
entry:
%0 = icmp sgt i32 %in, 0
%1 = select i1 %0, float 2.0, float 3.0
store float %1, float addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}selectcc_bool:
; SI: v_cmp_ne_u32
; SI-NEXT: v_cndmask_b32_e64
; SI-NOT: cmp
; SI-NOT: cndmask
define void @selectcc_bool(i32 addrspace(1)* %out, i32 %a, i32 %b) nounwind {
%icmp0 = icmp ne i32 %a, %b
%ext = select i1 %icmp0, i32 -1, i32 0
store i32 %ext, i32 addrspace(1)* %out
ret void
}