diff options
Diffstat (limited to 'test/MC/ARM/ldr-pseudo-darwin.s')
| -rw-r--r-- | test/MC/ARM/ldr-pseudo-darwin.s | 241 |
1 files changed, 241 insertions, 0 deletions
diff --git a/test/MC/ARM/ldr-pseudo-darwin.s b/test/MC/ARM/ldr-pseudo-darwin.s new file mode 100644 index 0000000..a77f6d5 --- /dev/null +++ b/test/MC/ARM/ldr-pseudo-darwin.s @@ -0,0 +1,241 @@ +@ This test has a partner (ldr-pseudo.s) that contains matching +@ tests for the ldr-pseudo on linux targets. We need separate files +@ because the syntax for switching sections and temporary labels differs +@ between darwin and linux. Any tests added here should have a matching +@ test added there. + +@RUN: llvm-mc -triple armv7-apple-darwin %s | FileCheck %s +@RUN: llvm-mc -triple thumbv5-apple-darwin %s | FileCheck %s +@RUN: llvm-mc -triple thumbv7-apple-darwin %s | FileCheck %s + +@ +@ Check that large constants are converted to ldr from constant pool +@ +@ simple test +.section __TEXT,b,regular,pure_instructions +@ CHECK-LABEL: f3: +f3: + ldr r0, =0x10001 +@ CHECK: ldr r0, Ltmp0 + +@ loading multiple constants +.section __TEXT,c,regular,pure_instructions +@ CHECK-LABEL: f4: +f4: + ldr r0, =0x10002 +@ CHECK: ldr r0, Ltmp1 + adds r0, r0, #1 + adds r0, r0, #1 + adds r0, r0, #1 + adds r0, r0, #1 + ldr r0, =0x10003 +@ CHECK: ldr r0, Ltmp2 + adds r0, r0, #1 + adds r0, r0, #1 + +@ TODO: the same constants should have the same constant pool location +.section __TEXT,d,regular,pure_instructions +@ CHECK-LABEL: f5: +f5: + ldr r0, =0x10004 +@ CHECK: ldr r0, Ltmp3 + adds r0, r0, #1 + adds r0, r0, #1 + adds r0, r0, #1 + adds r0, r0, #1 + adds r0, r0, #1 + adds r0, r0, #1 + adds r0, r0, #1 + ldr r0, =0x10004 +@ CHECK: ldr r0, Ltmp4 + adds r0, r0, #1 + adds r0, r0, #1 + adds r0, r0, #1 + adds r0, r0, #1 + adds r0, r0, #1 + adds r0, r0, #1 + +@ a section defined in multiple pieces should be merged and use a single constant pool +.section __TEXT,e,regular,pure_instructions +@ CHECK-LABEL: f6: +f6: + ldr r0, =0x10006 +@ CHECK: ldr r0, Ltmp5 + adds r0, r0, #1 + adds r0, r0, #1 + adds r0, r0, #1 + +.section __TEXT,f,regular,pure_instructions +@ CHECK-LABEL: f7: +f7: + adds r0, r0, #1 + adds r0, r0, #1 + adds r0, r0, #1 + +.section __TEXT,e,regular,pure_instructions +@ CHECK-LABEL: f8: +f8: + adds r0, r0, #1 + ldr r0, =0x10007 +@ CHECK: ldr r0, Ltmp6 + adds r0, r0, #1 + adds r0, r0, #1 + +@ +@ Check that symbols can be loaded using ldr pseudo +@ + +@ load an undefined symbol +.section __TEXT,g,regular,pure_instructions +@ CHECK-LABEL: f9: +f9: + ldr r0, =foo +@ CHECK: ldr r0, Ltmp7 + +@ load a symbol from another section +.section __TEXT,h,regular,pure_instructions +@ CHECK-LABEL: f10: +f10: + ldr r0, =f5 +@ CHECK: ldr r0, Ltmp8 + +@ load a symbol from the same section +.section __TEXT,i,regular,pure_instructions +@ CHECK-LABEL: f11: +f11: + ldr r0, =f12 +@ CHECK: ldr r0, Ltmp9 + +@ CHECK-LABEL: f12: +f12: + adds r0, r0, #1 + adds r0, r0, #1 + +.section __TEXT,j,regular,pure_instructions +@ mix of symbols and constants +@ CHECK-LABEL: f13: +f13: + adds r0, r0, #1 + adds r0, r0, #1 + ldr r0, =0x101 +@ CHECK: ldr r0, Ltmp10 + adds r0, r0, #1 + adds r0, r0, #1 + ldr r0, =bar +@ CHECK: ldr r0, Ltmp11 + adds r0, r0, #1 + adds r0, r0, #1 +@ +@ Check for correct usage in other contexts +@ + +@ usage in macro +.macro useit_in_a_macro + ldr r0, =0x10008 + ldr r0, =baz +.endm +.section __TEXT,k,regular,pure_instructions +@ CHECK-LABEL: f14: +f14: + useit_in_a_macro +@ CHECK: ldr r0, Ltmp12 +@ CHECK: ldr r0, Ltmp13 + +@ usage with expressions +.section __TEXT,l,regular,pure_instructions +@ CHECK-LABEL: f15: +f15: + ldr r0, =0x10001+8 +@ CHECK: ldr r0, Ltmp14 + adds r0, r0, #1 + ldr r0, =bar+4 +@ CHECK: ldr r0, Ltmp15 + adds r0, r0, #1 + +@ +@ Constant Pools +@ +@ CHECK: .section __TEXT,b,regular,pure_instructions +@ CHECK: .align 2 +@ CHECK: .data_region +@ CHECK-LABEL: Ltmp0: +@ CHECK: .long 65537 +@ CHECK: .end_data_region + +@ CHECK: .section __TEXT,c,regular,pure_instructions +@ CHECK: .align 2 +@ CHECK: .data_region +@ CHECK-LABEL: Ltmp1: +@ CHECK: .long 65538 +@ CHECK-LABEL: Ltmp2: +@ CHECK: .long 65539 +@ CHECK: .end_data_region + +@ CHECK: .section __TEXT,d,regular,pure_instructions +@ CHECK: .align 2 +@ CHECK: .data_region +@ CHECK-LABEL: Ltmp3: +@ CHECK: .long 65540 +@ CHECK-LABEL: Ltmp4: +@ CHECK: .long 65540 +@ CHECK: .end_data_region + +@ CHECK: .section __TEXT,e,regular,pure_instructions +@ CHECK: .align 2 +@ CHECK: .data_region +@ CHECK-LABEL: Ltmp5: +@ CHECK: .long 65542 +@ CHECK-LABEL: Ltmp6: +@ CHECK: .long 65543 +@ CHECK: .end_data_region + +@ Should not switch to section because it has no constant pool +@ CHECK-NOT: .section __TEXT,f,regular,pure_instructions + +@ CHECK: .section __TEXT,g,regular,pure_instructions +@ CHECK: .align 2 +@ CHECK: .data_region +@ CHECK-LABEL: Ltmp7: +@ CHECK: .long foo +@ CHECK: .end_data_region + +@ CHECK: .section __TEXT,h,regular,pure_instructions +@ CHECK: .align 2 +@ CHECK: .data_region +@ CHECK-LABEL: Ltmp8: +@ CHECK: .long f5 +@ CHECK: .end_data_region + +@ CHECK: .section __TEXT,i,regular,pure_instructions +@ CHECK: .align 2 +@ CHECK: .data_region +@ CHECK-LABEL: Ltmp9: +@ CHECK: .long f12 +@ CHECK: .end_data_region + +@ CHECK: .section __TEXT,j,regular,pure_instructions +@ CHECK: .align 2 +@ CHECK: .data_region +@ CHECK-LABEL: Ltmp10: +@ CHECK: .long 257 +@ CHECK-LABEL: Ltmp11: +@ CHECK: .long bar +@ CHECK: .end_data_region + +@ CHECK: .section __TEXT,k,regular,pure_instructions +@ CHECK: .align 2 +@ CHECK: .data_region +@ CHECK-LABEL: Ltmp12: +@ CHECK: .long 65544 +@ CHECK-LABEL: Ltmp13: +@ CHECK: .long baz +@ CHECK: .end_data_region + +@ CHECK: .section __TEXT,l,regular,pure_instructions +@ CHECK: .align 2 +@ CHECK: .data_region +@ CHECK-LABEL: Ltmp14: +@ CHECK: .long 65545 +@ CHECK-LABEL: Ltmp15: +@ CHECK: .long bar+4 +@ CHECK: .end_data_region |