1; RUN: opt < %s -S -partial-inliner -skip-partial-inlining-cost-analysis=true | FileCheck %s 2 3 4define i32 @callee_most(i32 %v) unnamed_addr #0 #1 { 5entry: 6 %cmp = icmp sgt i32 %v, 2000 7 br i1 %cmp, label %if.then, label %if.end 8 9if.then: 10 br label %if.then2 11 12if.then2: 13 %sub = sub i32 %v, 10 14 br label %if.end 15 16if.end: 17 %v2 = phi i32 [ %v, %entry ], [ %sub, %if.then2 ] 18 %add = add nsw i32 %v2, 200 19 ret i32 %add 20} 21 22define i32 @callee_noinline(i32 %v) optnone noinline { 23entry: 24 %cmp = icmp sgt i32 %v, 2000 25 br i1 %cmp, label %if.then, label %if.end 26 27if.then: 28 br label %if.then2 29 30if.then2: 31 %sub = sub i32 %v, 10 32 br label %if.end 33 34if.end: 35 %v2 = phi i32 [ %v, %entry ], [ %sub, %if.then2 ] 36 %add = add nsw i32 %v2, 200 37 ret i32 %add 38} 39 40define i32 @callee_writeonly(i32 %v) writeonly ssp { 41entry: 42 %cmp = icmp sgt i32 %v, 2000 43 br i1 %cmp, label %if.then, label %if.end 44 45if.then: 46 br label %if.then2 47 48if.then2: 49 %sub = sub i32 %v, 10 50 br label %if.end 51 52if.end: 53 %v2 = phi i32 [ %v, %entry ], [ %sub, %if.then2 ] 54 %add = add nsw i32 %v2, 200 55 ret i32 %add 56} 57; CHECK-LABEL: @caller 58; CHECK: call void @callee_most.2.if.then(i32 %v 59; CHECK: call i32 @callee_noinline(i32 %v) 60; CHECK: call void @callee_writeonly.1.if.then(i32 %v 61define i32 @caller(i32 %v) ssp { 62entry: 63 %c1 = call i32 @callee_most(i32 %v) 64 %c2 = call i32 @callee_noinline(i32 %v) 65 %c3 = call i32 @callee_writeonly(i32 %v) 66 ret i32 %c3 67} 68 69; CHECK: define internal void @callee_writeonly.1.if.then(i32 %v, i32* %sub.out) [[FN_ATTRS0:#[0-9]+]] 70; CHECK: define internal void @callee_most.2.if.then(i32 %v, i32* %sub.out) [[FN_ATTRS:#[0-9]+]] 71 72; attributes to preserve 73attributes #0 = { 74 inlinehint minsize noduplicate noimplicitfloat norecurse noredzone nounwind 75 nonlazybind optsize safestack sanitize_address sanitize_hwaddress sanitize_memory 76 sanitize_thread ssp sspreq sspstrong strictfp uwtable "foo"="bar" 77 "patchable-function"="prologue-short-redirect" "probe-stack"="_foo_guard" "stack-probe-size"="4096" } 78 79; CHECK: attributes [[FN_ATTRS0]] = { ssp 80; CHECK: attributes [[FN_ATTRS]] = { inlinehint minsize noduplicate noimplicitfloat norecurse noredzone nounwind nonlazybind optsize safestack sanitize_address sanitize_hwaddress sanitize_memory sanitize_thread ssp sspreq sspstrong strictfp uwtable "foo"="bar" "patchable-function"="prologue-short-redirect" "probe-stack"="_foo_guard" "stack-probe-size"="4096" } 81 82; attributes to drop 83attributes #1 = { 84 alignstack=16 convergent inaccessiblememonly inaccessiblemem_or_argmemonly naked 85 noreturn readonly argmemonly returns_twice speculatable "thunk" 86} 87