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llvm-mirror/test/CodeGen/R600/fsub64.ll
Tom Stellard b7b09a29aa R600/SI: Add double precision fsub pattern for SI
Patch by: Niels Ole Salscheider

Reviewed-by: Tom Stellard <thomas.stellard@amd.com>
llvm-svn: 186179
2013-07-12 18:15:08 +00:00

14 lines
481 B
LLVM

; RUN: llc < %s -march=r600 -mcpu=tahiti | FileCheck %s
; CHECK: @fsub_f64
; CHECK: V_ADD_F64 {{VGPR[0-9]+_VGPR[0-9]+, VGPR[0-9]+_VGPR[0-9]+, VGPR[0-9]+_VGPR[0-9]+}}, 0, 0, 0, 0, 2
define void @fsub_f64(double addrspace(1)* %out, double addrspace(1)* %in1,
double addrspace(1)* %in2) {
%r0 = load double addrspace(1)* %in1
%r1 = load double addrspace(1)* %in2
%r2 = fsub double %r0, %r1
store double %r2, double addrspace(1)* %out
ret void
}