//RUN: llvm-mc -triple=aarch64-linux-gnu -print-imm-hex %s | FileCheck %s // // Check that large constants are converted to ldr from constant pool // // simple test .section a, "ax", @progbits // CHECK-LABEL: f1: f1: ldr x0, =0x1234 // CHECK: mov x0, #0x1234 ldr w1, =0x4567 // CHECK: mov w1, #0x4567 ldr x0, =0x12340000 // CHECK: mov x0, #0x12340000 ldr w1, =0x45670000 // CHECK: mov w1, #0x45670000 ldr x0, =0xabc00000000 // CHECK: mov x0, #0xabc00000000 ldr x0, =0xbeef000000000000 // CHECK: mov x0, #-0x4111000000000000 .section b,"ax",@progbits // CHECK-LABEL: f3: f3: ldr w0, =0x10001 // CHECK: ldr w0, .Ltmp[[TMP0:[0-9]+]] // loading multiple constants .section c,"ax",@progbits // CHECK-LABEL: f4: f4: ldr w0, =0x10002 // CHECK: ldr w0, .Ltmp[[TMP1:[0-9]+]] adds x0, x0, #1 adds x0, x0, #1 adds x0, x0, #1 adds x0, x0, #1 ldr w0, =0x10003 // CHECK: ldr w0, .Ltmp[[TMP2:[0-9]+]] adds x0, x0, #1 adds x0, x0, #1 // TODO: the same constants should have the same constant pool location .section d,"ax",@progbits // CHECK-LABEL: f5: f5: ldr w0, =0x10004 // CHECK: ldr w0, .Ltmp[[TMP3:[0-9]+]] adds x0, x0, #1 adds x0, x0, #1 adds x0, x0, #1 adds x0, x0, #1 adds x0, x0, #1 adds x0, x0, #1 adds x0, x0, #1 ldr w0, =0x10004 // CHECK: ldr w0, .Ltmp[[TMP4:[0-9]+]] adds x0, x0, #1 adds x0, x0, #1 adds x0, x0, #1 adds x0, x0, #1 adds x0, x0, #1 adds x0, x0, #1 // a section defined in multiple pieces should be merged and use a single constant pool .section e,"ax",@progbits // CHECK-LABEL: f6: f6: ldr w0, =0x10006 // CHECK: ldr w0, .Ltmp[[TMP5:[0-9]+]] adds x0, x0, #1 adds x0, x0, #1 adds x0, x0, #1 .section f, "ax", @progbits // CHECK-LABEL: f7: f7: adds x0, x0, #1 adds x0, x0, #1 adds x0, x0, #1 .section e, "ax", @progbits // CHECK-LABEL: f8: f8: adds x0, x0, #1 ldr w0, =0x10007 // CHECK: ldr w0, .Ltmp[[TMP6:[0-9]+]] adds x0, x0, #1 adds x0, x0, #1 // // Check that symbols can be loaded using ldr pseudo // // load an undefined symbol .section g,"ax",@progbits // CHECK-LABEL: f9: f9: ldr w0, =foo // CHECK: ldr w0, .Ltmp[[TMP7:[0-9]+]] // load a symbol from another section .section h,"ax",@progbits // CHECK-LABEL: f10: f10: ldr w0, =f5 // CHECK: ldr w0, .Ltmp[[TMP8:[0-9]+]] // load a symbol from the same section .section i,"ax",@progbits // CHECK-LABEL: f11: f11: ldr w0, =f12 // CHECK: ldr w0, .Ltmp[[TMP9:[0-9]+]] ldr w0,=0x3C000 // CHECK: ldr w0, .Ltmp[[TMP10:[0-9]+]] // CHECK-LABEL: f12: f12: adds x0, x0, #1 adds x0, x0, #1 .section j,"ax",@progbits // mix of symbols and constants // CHECK-LABEL: f13: f13: adds x0, x0, #1 adds x0, x0, #1 ldr w0, =0x101 // CHECK: mov w0, #0x101 adds x0, x0, #1 adds x0, x0, #1 ldr w0, =bar // CHECK: ldr w0, .Ltmp[[TMP11:[0-9]+]] adds x0, x0, #1 adds x0, x0, #1 // // Check for correct usage in other contexts // // usage in macro .macro useit_in_a_macro ldr w0, =0x10008 ldr w0, =baz .endm .section k,"ax",@progbits // CHECK-LABEL: f14: f14: useit_in_a_macro // CHECK: ldr w0, .Ltmp[[TMP12:[0-9]+]] // CHECK: ldr w0, .Ltmp[[TMP13:[0-9]+]] // usage with expressions .section l, "ax", @progbits // CHECK-LABEL: f15: f15: ldr w0, =0x10001+8 // CHECK: ldr w0, .Ltmp[[TMP14:[0-9]+]] adds x0, x0, #1 ldr w0, =bar+4 // CHECK: ldr w0, .Ltmp[[TMP15:[0-9]+]] adds x0, x0, #1 // usage with 64-bit regs .section m, "ax", @progbits // CHECK-LABEL: f16: f16: ldr x0, =0x0102030405060708 // CHECK: ldr x0, .Ltmp[[TMP16:[0-9]+]] add x0, x0, #1 ldr w0, =bar // CHECK: ldr w0, .Ltmp[[TMP17:[0-9]+]] ldr x0, =bar+16 // CHECK: ldr x0, .Ltmp[[TMP18:[0-9]+]] add x0, x0, #1 ldr x0, =0x100000001 // CHECK: ldr x0, .Ltmp[[TMP19:[0-9]+]] ldr x1, =-0x80000001 // CHECK: ldr x1, .Ltmp[[TMP20:[0-9]+]] ldr x2, =0x10001 // CHECK: ldr x2, .Ltmp[[TMP21:[0-9]+]] // check range for 32-bit regs .section n, "ax", @progbits // CHECK-LABEL: f17: f17: ldr w0, =0xFFFFFFFF // CHECK: ldr w0, .Ltmp[[TMP22:[0-9]+]] add w0, w0, #1 ldr w1, =-0x7FFFFFFF // CHECK: ldr w1, .Ltmp[[TMP23:[0-9]+]] add w0, w0, #1 ldr w0, =-1 // CHECK: ldr w0, .Ltmp[[TMP24:[0-9]+]] add w0, w0, #1 // make sure the same contant uses different pools for 32- and 64-bit registers .section o, "ax", @progbits // CHECK-LABEL: f18: f18: ldr w0, =0x320064 // CHECK: ldr w0, .Ltmp[[TMP25:[0-9]+]] add w0, w0, #1 ldr x1, =0x320064 // CHECK: ldr x1, .Ltmp[[TMP26:[0-9]+]] // // Constant Pools // // CHECK: .section b,"ax",@progbits // CHECK: .p2align 2 // CHECK: .Ltmp[[TMP0]] // CHECK: .word 65537 // CHECK: .section c,"ax",@progbits // CHECK: .p2align 2 // CHECK: .Ltmp[[TMP1]] // CHECK: .word 65538 // CHECK: .p2align 2 // CHECK: .Ltmp[[TMP2]] // CHECK: .word 65539 // CHECK: .section d,"ax",@progbits // CHECK: .p2align 2 // CHECK: .Ltmp[[TMP3]] // CHECK: .word 65540 // CHECK: .p2align 2 // CHECK: .Ltmp[[TMP4]] // CHECK: .word 65540 // CHECK: .section e,"ax",@progbits // CHECK: .p2align 2 // CHECK: .Ltmp[[TMP5]] // CHECK: .word 65542 // CHECK: .p2align 2 // CHECK: .Ltmp[[TMP6]] // CHECK: .word 65543 // Should not switch to section because it has no constant pool // CHECK-NOT: .section f,"ax",@progbits // CHECK: .section g,"ax",@progbits // CHECK: .p2align 2 // CHECK: .Ltmp[[TMP7]] // CHECK: .word foo // CHECK: .section h,"ax",@progbits // CHECK: .p2align 2 // CHECK: .Ltmp[[TMP8]] // CHECK: .word f5 // CHECK: .section i,"ax",@progbits // CHECK: .p2align 2 // CHECK: .Ltmp[[TMP9]] // CHECK: .word f12 // CHECK: .p2align 2 // CHECK: .Ltmp[[TMP10]] // CHECK: .word 245760 // CHECK: .section j,"ax",@progbits // CHECK: .p2align 2 // CHECK: .Ltmp[[TMP11]] // CHECK: .word bar // CHECK: .section k,"ax",@progbits // CHECK: .p2align 2 // CHECK: .Ltmp[[TMP12]] // CHECK: .word 65544 // CHECK: .p2align 2 // CHECK: .Ltmp[[TMP13]] // CHECK: .word baz // CHECK: .section l,"ax",@progbits // CHECK: .p2align 2 // CHECK: .Ltmp[[TMP14]] // CHECK: .word 65545 // CHECK: .p2align 2 // CHECK: .Ltmp[[TMP15]] // CHECK: .word bar+4 // CHECK: .section m,"ax",@progbits // CHECK: .p2align 3 // CHECK: .Ltmp[[TMP16]] // CHECK: .xword 72623859790382856 // CHECK: .p2align 2 // CHECK: .Ltmp[[TMP17]] // CHECK: .word bar // CHECK: .p2align 3 // CHECK: .Ltmp[[TMP18]] // CHECK: .xword bar+16 // CHECK: .p2align 3 // CHECK: .Ltmp[[TMP19]] // CHECK: .xword 4294967297 // CHECK: .p2align 3 // CHECK: .Ltmp[[TMP20]] // CHECK: .xword -2147483649 // CHECK: .p2align 3 // CHECK: .Ltmp[[TMP21]] // CHECK: .xword 65537 // CHECK: .section n,"ax",@progbits // CHECK: .p2align 2 // CHECK: .Ltmp[[TMP22]] // CHECK: .word 4294967295 // CHECK: .p2align 2 // CHECK: .Ltmp[[TMP23]] // CHECK: .word -2147483647 // CHECK: .p2align 2 // CHECK: .Ltmp[[TMP24]] // CHECK: .word -1 // CHECK: .section o,"ax",@progbits // CHECK: .p2align 2 // CHECK: .Ltmp[[TMP25]] // CHECK: .word 3276900 // CHECK: .p2align 3 // CHECK: .Ltmp[[TMP26]] // CHECK: .xword 3276900