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 18define linkonce_odr void @foo(ptr nocapture %this, i32 %BoolValue) nounwind uwtable { 19entry: 20 %cmp = icmp eq i32 %BoolValue, 0 21 %address1 = getelementptr inbounds %class.A, ptr %this, i64 0, i32 0, i32 3 22 %address2 = getelementptr inbounds %class.A, ptr %this, i64 0, i32 0, i32 1 23 br i1 %cmp, label %if.else, label %if.then 24 25if.then: ; preds = %entry 26 %0 = load float, ptr %address2, align 4 27 %1 = getelementptr inbounds float, ptr %address2, i64 3 28 %2 = load float, ptr %1, align 4 29 store float %0, ptr %address1, align 4 30 br label %if.end 31 32if.else: ; preds = %entry 33 br label %if.end 34 35if.end: ; preds = %if.then, %if.else, %entry 36 ret void 37} 38 39; CHECK-LABEL: foo: 40; CHECK: movss 12([[THIS:%[a-zA-Z0-9]+]]), [[REGISTER:%[a-zA-Z0-9]+]] 41; CHECK-NEXT: movss [[REGISTER]], 60([[THIS]]) 42 43