1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=thumb-eabi -mcpu=cortex-a8 %s -o - | FileCheck %s --check-prefixes=CHECK,CHECK-DSP
; RUN: llc -mtriple=thumb-eabi -mcpu=cortex-m3 %s -o - | FileCheck %s --check-prefixes=CHECK,CHECK-NO-DSP
; RUN: llc -mtriple=thumbv7em-eabi %s -o - | FileCheck %s -check-prefixes=CHECK,CHECK-DSP
; RUN: llc -mtriple=thumbv8m.main-none-eabi %s -o - | FileCheck %s -check-prefixes=CHECK,CHECK-NO-DSP
; RUN: llc -mtriple=thumbv8m.main-none-eabi -mattr=+dsp %s -o - | FileCheck %s -check-prefixes=CHECK,CHECK-DSP
; rdar://11318438
define zeroext i8 @test1(i32 %A.u) {
; CHECK-LABEL: test1:
; CHECK: @ %bb.0:
; CHECK-NEXT: uxtb r0, r0
; CHECK-NEXT: bx lr
%B.u = trunc i32 %A.u to i8
ret i8 %B.u
}
define zeroext i32 @test2(i32 %A.u, i32 %B.u) {
; CHECK-DSP-LABEL: test2:
; CHECK-DSP: @ %bb.0:
; CHECK-DSP-NEXT: uxtab r0, r0, r1
; CHECK-DSP-NEXT: bx lr
;
; CHECK-NO-DSP-LABEL: test2:
; CHECK-NO-DSP: @ %bb.0:
; CHECK-NO-DSP-NEXT: uxtb r1, r1
; CHECK-NO-DSP-NEXT: add r0, r1
; CHECK-NO-DSP-NEXT: bx lr
%C.u = trunc i32 %B.u to i8
%D.u = zext i8 %C.u to i32
%E.u = add i32 %A.u, %D.u
ret i32 %E.u
}
define zeroext i32 @test3(i32 %A.u) {
; CHECK-LABEL: test3:
; CHECK: @ %bb.0:
; CHECK-NEXT: ubfx r0, r0, #8, #16
; CHECK-NEXT: bx lr
%B.u = lshr i32 %A.u, 8
%C.u = shl i32 %A.u, 24
%D.u = or i32 %B.u, %C.u
%E.u = trunc i32 %D.u to i16
%F.u = zext i16 %E.u to i32
ret i32 %F.u
}
define i32 @test4(i32 %A, i32 %X) {
; CHECK-DSP-LABEL: test4:
; CHECK-DSP: @ %bb.0:
; CHECK-DSP-NEXT: uxtab r0, r0, r1, ror #16
; CHECK-DSP-NEXT: bx lr
;
; CHECK-NO-DSP-LABEL: test4:
; CHECK-NO-DSP: @ %bb.0:
; CHECK-NO-DSP-NEXT: ubfx r1, r1, #16, #8
; CHECK-NO-DSP-NEXT: add r0, r1
; CHECK-NO-DSP-NEXT: bx lr
%X.hi = lshr i32 %X, 16
%X.trunc = trunc i32 %X.hi to i8
%addend = zext i8 %X.trunc to i32
%sum = add i32 %A, %addend
ret i32 %sum
}
define i32 @test5(i32 %A, i32 %X) {
; CHECK-DSP-LABEL: test5:
; CHECK-DSP: @ %bb.0:
; CHECK-DSP-NEXT: uxtah r0, r0, r1, ror #8
; CHECK-DSP-NEXT: bx lr
;
; CHECK-NO-DSP-LABEL: test5:
; CHECK-NO-DSP: @ %bb.0:
; CHECK-NO-DSP-NEXT: ubfx r1, r1, #8, #16
; CHECK-NO-DSP-NEXT: add r0, r1
; CHECK-NO-DSP-NEXT: bx lr
%X.hi = lshr i32 %X, 8
%X.trunc = trunc i32 %X.hi to i16
%addend = zext i16 %X.trunc to i32
%sum = add i32 %A, %addend
ret i32 %sum
}
define i32 @test6(i32 %A, i32 %X) {
; CHECK-DSP-LABEL: test6:
; CHECK-DSP: @ %bb.0:
; CHECK-DSP-NEXT: uxtab r0, r0, r1, ror #8
; CHECK-DSP-NEXT: bx lr
;
; CHECK-NO-DSP-LABEL: test6:
; CHECK-NO-DSP: @ %bb.0:
; CHECK-NO-DSP-NEXT: ubfx r1, r1, #8, #8
; CHECK-NO-DSP-NEXT: add r0, r1
; CHECK-NO-DSP-NEXT: bx lr
%X.hi = lshr i32 %X, 8
%X.trunc = trunc i32 %X.hi to i8
%addend = zext i8 %X.trunc to i32
%sum = add i32 %A, %addend
ret i32 %sum
}
define i32 @test7(i32 %A, i32 %X) {
; CHECK-DSP-LABEL: test7:
; CHECK-DSP: @ %bb.0:
; CHECK-DSP-NEXT: uxtah r0, r0, r1, ror #24
; CHECK-DSP-NEXT: bx lr
;
; CHECK-NO-DSP-LABEL: test7:
; CHECK-NO-DSP: @ %bb.0:
; CHECK-NO-DSP-NEXT: ror.w r1, r1, #24
; CHECK-NO-DSP-NEXT: uxth r1, r1
; CHECK-NO-DSP-NEXT: add r0, r1
; CHECK-NO-DSP-NEXT: bx lr
%lshr = lshr i32 %X, 24
%shl = shl i32 %X, 8
%or = or i32 %lshr, %shl
%trunc = trunc i32 %or to i16
%zext = zext i16 %trunc to i32
%add = add i32 %A, %zext
ret i32 %add
}
define i32 @test8(i32 %A, i32 %X) {
; CHECK-DSP-LABEL: test8:
; CHECK-DSP: @ %bb.0:
; CHECK-DSP-NEXT: uxtah r0, r0, r1, ror #24
; CHECK-DSP-NEXT: bx lr
;
; CHECK-NO-DSP-LABEL: test8:
; CHECK-NO-DSP: @ %bb.0:
; CHECK-NO-DSP-NEXT: ror.w r1, r1, #24
; CHECK-NO-DSP-NEXT: uxth r1, r1
; CHECK-NO-DSP-NEXT: add r0, r1
; CHECK-NO-DSP-NEXT: bx lr
%lshr = lshr i32 %X, 24
%shl = shl i32 %X, 8
%or = or i32 %lshr, %shl
%and = and i32 %or, 65535
%add = add i32 %A, %and
ret i32 %add
}
|