1 ; The phi should not be eliminated in this case, because the fp op could trap. 2 ; RUN: opt < %s -simplifycfg -S | FileCheck %s 3 4 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128" 5 target triple = "i686-apple-darwin8" 6 @G = weak global double 0.000000e+00, align 8 ; <double*> [#uses=2] 7 8 define void @test(i32 %X, i32 %Y, double %Z) { 9 entry: 10 %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] 11 %tmp = load double* @G, align 8 ; <double> [#uses=2] 12 %tmp3 = icmp eq i32 %X, %Y ; <i1> [#uses=1] 13 %tmp34 = zext i1 %tmp3 to i8 ; <i8> [#uses=1] 14 %toBool = icmp ne i8 %tmp34, 0 ; <i1> [#uses=1] 15 br i1 %toBool, label %cond_true, label %cond_next 16 17 cond_true: ; preds = %entry 18 %tmp7 = fadd double %tmp, %Z ; <double> [#uses=1] 19 br label %cond_next 20 21 cond_next: ; preds = %cond_true, %entry 22 ; CHECK: = phi double 23 %F.0 = phi double [ %tmp, %entry ], [ %tmp7, %cond_true ] ; <double> [#uses=1] 24 store double %F.0, double* @G, align 8 25 ret void 26 } 27 28
