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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2; RUN: llc < %s -mtriple=armv7-apple-darwin -mcpu=cortex-a8 | FileCheck %s3; Check if the f32 load / store pair are optimized to i32 load / store.4; rdar://89442525 6define void @t(i32 %width, ptr nocapture %src, ptr nocapture %dst, i32 %index) nounwind {7; CHECK-LABEL: t:8; CHECK: @ %bb.0: @ %entry9; CHECK-NEXT: cmp r0, #010; CHECK-NEXT: bxeq lr11; CHECK-NEXT: LBB0_1: @ %bb12; CHECK-NEXT: @ =>This Inner Loop Header: Depth=113; CHECK-NEXT: ldr r9, [r1], r314; CHECK-NEXT: subs r0, r0, #115; CHECK-NEXT: str r9, [r2], #416; CHECK-NEXT: bne LBB0_117; CHECK-NEXT: @ %bb.2: @ %return18; CHECK-NEXT: bx lr19entry:20 %0 = icmp eq i32 %width, 021 br i1 %0, label %return, label %bb22 23bb:24 %j.05 = phi i32 [ %2, %bb ], [ 0, %entry ]25 %tmp = mul i32 %j.05, %index26 %uglygep = getelementptr i8, ptr %src, i32 %tmp27 %dst_addr.03 = getelementptr float, ptr %dst, i32 %j.0528 %1 = load float, ptr %uglygep, align 429 store float %1, ptr %dst_addr.03, align 430 %2 = add i32 %j.05, 131 %exitcond = icmp eq i32 %2, %width32 br i1 %exitcond, label %return, label %bb33 34return:35 ret void36}37 38@a1 = local_unnamed_addr global float 0.000000e+00, align 439@a2 = local_unnamed_addr global float 0.000000e+00, align 440@a3 = local_unnamed_addr global float 0.000000e+00, align 441@a4 = local_unnamed_addr global float 0.000000e+00, align 442@a5 = local_unnamed_addr global float 0.000000e+00, align 443@a6 = local_unnamed_addr global float 0.000000e+00, align 444@a7 = local_unnamed_addr global float 0.000000e+00, align 445@a8 = local_unnamed_addr global float 0.000000e+00, align 446 47 48declare void @_Z3fooddddddddddddddd(float, float, float, float, float, float, float, float)49 50; Because this test function is trying to pass float argument by stack,51; it can be optimized to i32 load / store52define signext i32 @test() {53%1 = load float, ptr @a1, align 454%2 = load float, ptr @a2, align 455%3 = load float, ptr @a3, align 456%4 = load float, ptr @a4, align 457%5 = load float, ptr @a5, align 458%6 = load float, ptr @a6, align 459%7 = load float, ptr @a7, align 460%8 = load float, ptr @a8, align 461tail call void @_Z3fooddddddddddddddd(float %1, float %2, float %3, float %4, float %5, float %6, float %7, float %8)62ret i32 063}64 65; CHECK-LABEL: _test:66; CHECK: ldr r3, [pc, r3]67; CHECK: ldr r2, [pc, r2]68; CHECK: ldr r1, [pc, r1]69; CHECK: ldr r0, [pc, r0]70; CHECK: ldr r9, [pc, r9]71; CHECK: ldr r12, [pc, r12]72; CHECK: ldr lr, [pc, lr]73; CHECK: stm sp, {r9, r12, lr}74; CHECK: ldr r4, [pc, r4]75; CHECK: str r4, [sp, #12]76; CHECK: bl __Z3fooddddddddddddddd77