1*f4a2713aSLionel Sambuc; RUN: llc -O2 -march=x86 < %s | FileCheck %s 2*f4a2713aSLionel Sambuc 3*f4a2713aSLionel Sambucdefine i32* @fooOptnone(i32* %p, i32* %q, i32** %z) #0 { 4*f4a2713aSLionel Sambucentry: 5*f4a2713aSLionel Sambuc %r = load i32* %p 6*f4a2713aSLionel Sambuc %s = load i32* %q 7*f4a2713aSLionel Sambuc %y = load i32** %z 8*f4a2713aSLionel Sambuc 9*f4a2713aSLionel Sambuc %t0 = add i32 %r, %s 10*f4a2713aSLionel Sambuc %t1 = add i32 %t0, 1 11*f4a2713aSLionel Sambuc %t2 = getelementptr i32* %y, i32 1 12*f4a2713aSLionel Sambuc %t3 = getelementptr i32* %t2, i32 %t1 13*f4a2713aSLionel Sambuc 14*f4a2713aSLionel Sambuc ret i32* %t3 15*f4a2713aSLionel Sambuc 16*f4a2713aSLionel Sambuc; 'optnone' should use fast-isel which will not produce 'lea'. 17*f4a2713aSLionel Sambuc; CHECK-LABEL: fooOptnone: 18*f4a2713aSLionel Sambuc; CHECK-NOT: lea 19*f4a2713aSLionel Sambuc; CHECK: ret 20*f4a2713aSLionel Sambuc} 21*f4a2713aSLionel Sambuc 22*f4a2713aSLionel Sambucdefine i32* @fooNormal(i32* %p, i32* %q, i32** %z) #1 { 23*f4a2713aSLionel Sambucentry: 24*f4a2713aSLionel Sambuc %r = load i32* %p 25*f4a2713aSLionel Sambuc %s = load i32* %q 26*f4a2713aSLionel Sambuc %y = load i32** %z 27*f4a2713aSLionel Sambuc 28*f4a2713aSLionel Sambuc %t0 = add i32 %r, %s 29*f4a2713aSLionel Sambuc %t1 = add i32 %t0, 1 30*f4a2713aSLionel Sambuc %t2 = getelementptr i32* %y, i32 1 31*f4a2713aSLionel Sambuc %t3 = getelementptr i32* %t2, i32 %t1 32*f4a2713aSLionel Sambuc 33*f4a2713aSLionel Sambuc ret i32* %t3 34*f4a2713aSLionel Sambuc 35*f4a2713aSLionel Sambuc; Normal ISel will produce 'lea'. 36*f4a2713aSLionel Sambuc; CHECK-LABEL: fooNormal: 37*f4a2713aSLionel Sambuc; CHECK: lea 38*f4a2713aSLionel Sambuc; CHECK: ret 39*f4a2713aSLionel Sambuc} 40*f4a2713aSLionel Sambuc 41*f4a2713aSLionel Sambucattributes #0 = { nounwind optnone noinline } 42*f4a2713aSLionel Sambucattributes #1 = { nounwind } 43