1 ; RUN: llc < %s -mtriple=x86_64-pc-linux | FileCheck %s 2 3 ; Check that the CodeGenPrepare Pass 4 ; does not wrongly rewrite the address computed by Instruction %4 5 ; as [12 + Base:%this]. 6 7 ; This test makes sure that: 8 ; - both the store and the first load instructions 9 ; within basic block labeled 'if.then' are not removed. 10 ; - the store instruction stores a value at address [60 + %this] 11 ; - the first load instruction loads a value at address [12 + %this] 12 13 %class.A = type { %struct.B } 14 %struct.B = type { %class.C, %class.D, %class.C, %class.D } 15 %class.C = type { float, float, float } 16 %class.D = type { [3 x %class.C] } 17 18 define linkonce_odr void @foo(%class.A* nocapture %this, i32 %BoolValue) nounwind uwtable { 19 entry: 20 %cmp = icmp eq i32 %BoolValue, 0 21 %address1 = getelementptr inbounds %class.A* %this, i64 0, i32 0, i32 3 22 %address2 = getelementptr inbounds %class.A* %this, i64 0, i32 0, i32 1 23 br i1 %cmp, label %if.else, label %if.then 24 25 if.then: ; preds = %entry 26 %0 = getelementptr inbounds %class.D* %address2, i64 0, i32 0, i64 0, i32 0 27 %1 = load float* %0, align 4 28 %2 = getelementptr inbounds float* %0, i64 3 29 %3 = load float* %2, align 4 30 %4 = getelementptr inbounds %class.D* %address1, i64 0, i32 0, i64 0, i32 0 31 store float %1, float* %4, align 4 32 br label %if.end 33 34 if.else: ; preds = %entry 35 br label %if.end 36 37 if.end: ; preds = %if.then, %if.else, %entry 38 ret void 39 } 40 41 ; CHECK-LABEL: foo: 42 ; CHECK: movss 12([[THIS:%[a-zA-Z0-9]+]]), [[REGISTER:%[a-zA-Z0-9]+]] 43 ; CHECK-NEXT: movss [[REGISTER]], 60([[THIS]]) 44 45
