llvm-project/llvm/test/CodeGen/SystemZ/multiselect.ll

22 lines
639 B
LLVM

; Test that multiple select statements using the same condition are expanded
; into a single conditional branch.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
define void @test(i32 signext %positive, double %base, double %offset, double* %rmin, double* %rmax) {
entry:
; CHECK: cijlh %r2, 0,
; CHECK-NOT: cij
; CHECK-NOT: je
; CHECK-NOT: jlh
%tobool = icmp eq i32 %positive, 0
%add = fadd double %base, %offset
%min = select i1 %tobool, double %add, double %base
%max = select i1 %tobool, double %base, double %add
store double %min, double* %rmin, align 8
store double %max, double* %rmax, align 8
ret void
}