| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc %s -mtriple=thumbv7-linux-gnueabi -o - | \ |
| ; RUN: FileCheck -check-prefix=ELFASM %s |
| ; RUN: llc %s -mtriple=thumbebv7-linux-gnueabi -o - | \ |
| ; RUN: FileCheck -check-prefix=ELFASM %s |
| ; RUN: llc %s -mtriple=thumbv7-linux-gnueabi -filetype=obj -o - | \ |
| ; RUN: llvm-readobj -S --sd - | FileCheck -check-prefix=ELFOBJ -check-prefix=ELFOBJ-LE %s |
| ; RUN: llc %s -mtriple=thumbebv7-linux-gnueabi -filetype=obj -o - | \ |
| ; RUN: llvm-readobj -S --sd - | FileCheck -check-prefix=ELFOBJ -check-prefix=ELFOBJ-BE %s |
| |
| ;; Make sure that bl __aeabi_read_tp is materialized and fixed up correctly |
| ;; in the obj case. |
| |
| @i = external thread_local global i32 |
| @a = external global i8 |
| @b = external global [10 x i8] |
| |
| define arm_aapcs_vfpcc i32 @main() nounwind { |
| ; ELFASM-LABEL: main: |
| ; ELFASM: @ %bb.0: @ %entry |
| ; ELFASM-NEXT: .save {r7, lr} |
| ; ELFASM-NEXT: push {r7, lr} |
| ; ELFASM-NEXT: ldr r0, .LCPI0_0 |
| ; ELFASM-NEXT: .LPC0_0: |
| ; ELFASM-NEXT: add r0, pc |
| ; ELFASM-NEXT: ldr r1, [r0] |
| ; ELFASM-NEXT: bl __aeabi_read_tp |
| ; ELFASM-NEXT: ldr r0, [r0, r1] |
| ; ELFASM-NEXT: cmp r0, #12 |
| ; ELFASM-NEXT: beq .LBB0_3 |
| ; ELFASM-NEXT: @ %bb.1: @ %entry |
| ; ELFASM-NEXT: cmp r0, #13 |
| ; ELFASM-NEXT: itt ne |
| ; ELFASM-NEXT: movne.w r0, #-1 |
| ; ELFASM-NEXT: popne {r7, pc} |
| ; ELFASM-NEXT: .LBB0_2: @ %bb1 |
| ; ELFASM-NEXT: movw r0, :lower16:b |
| ; ELFASM-NEXT: movt r0, :upper16:b |
| ; ELFASM-NEXT: pop.w {r7, lr} |
| ; ELFASM-NEXT: b bar |
| ; ELFASM-NEXT: .LBB0_3: @ %bb |
| ; ELFASM-NEXT: movw r0, :lower16:a |
| ; ELFASM-NEXT: movt r0, :upper16:a |
| ; ELFASM-NEXT: pop.w {r7, lr} |
| ; ELFASM-NEXT: b foo |
| ; ELFASM-NEXT: .p2align 2 |
| ; ELFASM-NEXT: @ %bb.4: |
| ; ELFASM-NEXT: .LCPI0_0: |
| ; ELFASM-NEXT: .Ltmp0: |
| ; ELFASM-NEXT: .long i(GOTTPOFF)-((.LPC0_0+4)-.Ltmp0) |
| entry: |
| %0 = load i32, i32* @i, align 4 |
| switch i32 %0, label %bb2 [ |
| i32 12, label %bb |
| i32 13, label %bb1 |
| ] |
| |
| bb: ; preds = %entry |
| %1 = tail call arm_aapcs_vfpcc i32 @foo(i8* @a) nounwind |
| ret i32 %1 |
| |
| |
| ; ELFOBJ: Sections [ |
| ; ELFOBJ: Section { |
| ; ELFOBJ: Name: .text |
| ; ELFOBJ-LE: SectionData ( |
| ;;; BL __aeabi_read_tp is ---+ |
| ;;; V |
| ; ELFOBJ-LE-NEXT: 0000: 80B50E48 78440168 FFF7FEFF 40580C28 |
| ; ELFOBJ-BE: SectionData ( |
| ;;; BL __aeabi_read_tp is ---+ |
| ;;; V |
| ; ELFOBJ-BE-NEXT: 0000: B580480E 44786801 F7FFFFFE 5840280C |
| |
| |
| bb1: ; preds = %entry |
| %2 = tail call arm_aapcs_vfpcc i32 @bar(i32* bitcast ([10 x i8]* @b to i32*)) nounwind |
| ret i32 %2 |
| |
| bb2: ; preds = %entry |
| ret i32 -1 |
| } |
| |
| declare arm_aapcs_vfpcc i32 @foo(i8*) |
| |
| declare arm_aapcs_vfpcc i32 @bar(i32*) |