1; RUN: opt < %s -instcombine -S | FileCheck %s 2 3; CHECK: select 4; CHECK: select 5 6; Make sure instcombine don't fold select into operands. We don't want to emit 7; select of two integers unless it's selecting 0 / 1. 8 9define i32 @t1(i32 %c, i32 %x) nounwind { 10 %t1 = icmp eq i32 %c, 0 11 %t2 = lshr i32 %x, 18 12 %t3 = select i1 %t1, i32 %t2, i32 %x 13 ret i32 %t3 14} 15 16define i32 @t2(i32 %c, i32 %x) nounwind { 17 %t1 = icmp eq i32 %c, 0 18 %t2 = and i32 %x, 18 19 %t3 = select i1 %t1, i32 %t2, i32 %x 20 ret i32 %t3 21} 22 23define float @t3(float %x, float %y) nounwind { 24 %t1 = fcmp ogt float %x, %y 25 %t2 = select i1 %t1, float %x, float 1.0 26 %t3 = fadd fast float %t2, 1.0 27 ret float %t3 28; CHECK-LABEL: @t3( 29; CHECK: fadd fast 30; CHECK: select 31} 32