; RUN: llc -mtriple=thumbv7m-eabi %s -o - | FileCheck %s ; Check an edge case of the outlining costs - ; outlining occurs in this test and does not in `bti-outliner-cost-2.ll` ; the only difference being the branch target enforcement is enabled in the ; latter one. ; volatile int a, b, c, d, e; ; ; int y(int p) { ; int r = (a + b) / (c + d) * e; ; return r + 1; ; } ; ; int y(int p) { ; int r = (a + b) / (c + d) * e; ; return r + 2; ; } @a = hidden global i32 0, align 4 @b = hidden global i32 0, align 4 @c = hidden global i32 0, align 4 @d = hidden global i32 0, align 4 @e = hidden global i32 0, align 4 define hidden i32 @x(i32 %p) local_unnamed_addr #0 { entry: %0 = load volatile i32, i32* @a, align 4 %1 = load volatile i32, i32* @b, align 4 %add = add nsw i32 %1, %0 %2 = load volatile i32, i32* @c, align 4 %3 = load volatile i32, i32* @d, align 4 %add1 = add nsw i32 %3, %2 %div = sdiv i32 %add, %add1 %4 = load volatile i32, i32* @e, align 4 %mul = mul nsw i32 %4, %div %add2 = add nsw i32 %mul, 1 ret i32 %add2 } ; CHECK-LABEL: x: ; CHECK: bl OUTLINED_FUNCTION_0 define hidden i32 @y(i32 %p) local_unnamed_addr #0 { entry: %0 = load volatile i32, i32* @a, align 4 %1 = load volatile i32, i32* @b, align 4 %add = add nsw i32 %1, %0 %2 = load volatile i32, i32* @c, align 4 %3 = load volatile i32, i32* @d, align 4 %add1 = add nsw i32 %3, %2 %div = sdiv i32 %add, %add1 %4 = load volatile i32, i32* @e, align 4 %mul = mul nsw i32 %4, %div %add2 = add nsw i32 %mul, 2 ret i32 %add2 } ; CHECK-LABEL: y: ; CHECK: bl OUTLINED_FUNCTION_0 ; CHECK-LABEL: OUTLINED_FUNCTION_0: ; CHECK-NOT: bti attributes #0 = { minsize nofree norecurse nounwind optsize } !llvm.module.flags = !{!0} !0 = !{i32 8, !"branch-target-enforcement", i32 0}