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
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i686-- -mattr=-bmi | FileCheck %s
; Use h-register extract and zero-extend.
define double @foo8(ptr nocapture inreg %p, i32 inreg %x) nounwind readonly {
; CHECK-LABEL: foo8:
; CHECK: # %bb.0:
; CHECK-NEXT: movzbl %dh, %ecx
; CHECK-NEXT: fldl (%eax,%ecx,8)
; CHECK-NEXT: retl
%t0 = lshr i32 %x, 8
%t1 = and i32 %t0, 255
%t2 = getelementptr double, ptr %p, i32 %t1
%t3 = load double, ptr %t2, align 8
ret double %t3
}
define float @foo4(ptr nocapture inreg %p, i32 inreg %x) nounwind readonly {
; CHECK-LABEL: foo4:
; CHECK: # %bb.0:
; CHECK-NEXT: movzbl %dh, %ecx
; CHECK-NEXT: flds (%eax,%ecx,4)
; CHECK-NEXT: retl
%t0 = lshr i32 %x, 8
%t1 = and i32 %t0, 255
%t2 = getelementptr float, ptr %p, i32 %t1
%t3 = load float, ptr %t2, align 8
ret float %t3
}
define i16 @foo2(ptr nocapture inreg %p, i32 inreg %x) nounwind readonly {
; CHECK-LABEL: foo2:
; CHECK: # %bb.0:
; CHECK-NEXT: movzbl %dh, %ecx
; CHECK-NEXT: movzwl (%eax,%ecx,2), %eax
; CHECK-NEXT: retl
%t0 = lshr i32 %x, 8
%t1 = and i32 %t0, 255
%t2 = getelementptr i16, ptr %p, i32 %t1
%t3 = load i16, ptr %t2, align 8
ret i16 %t3
}
define i8 @foo1(ptr nocapture inreg %p, i32 inreg %x) nounwind readonly {
; CHECK-LABEL: foo1:
; CHECK: # %bb.0:
; CHECK-NEXT: movzbl %dh, %ecx
; CHECK-NEXT: movzbl (%eax,%ecx), %eax
; CHECK-NEXT: retl
%t0 = lshr i32 %x, 8
%t1 = and i32 %t0, 255
%t2 = getelementptr i8, ptr %p, i32 %t1
%t3 = load i8, ptr %t2, align 8
ret i8 %t3
}
define i8 @bar8(ptr nocapture inreg %p, i32 inreg %x) nounwind readonly {
; CHECK-LABEL: bar8:
; CHECK: # %bb.0:
; CHECK-NEXT: movzbl %dh, %ecx
; CHECK-NEXT: movzbl (%eax,%ecx,8), %eax
; CHECK-NEXT: retl
%t0 = lshr i32 %x, 5
%t1 = and i32 %t0, 2040
%t2 = getelementptr i8, ptr %p, i32 %t1
%t3 = load i8, ptr %t2, align 8
ret i8 %t3
}
define i8 @bar4(ptr nocapture inreg %p, i32 inreg %x) nounwind readonly {
; CHECK-LABEL: bar4:
; CHECK: # %bb.0:
; CHECK-NEXT: movzbl %dh, %ecx
; CHECK-NEXT: movzbl (%eax,%ecx,4), %eax
; CHECK-NEXT: retl
%t0 = lshr i32 %x, 6
%t1 = and i32 %t0, 1020
%t2 = getelementptr i8, ptr %p, i32 %t1
%t3 = load i8, ptr %t2, align 8
ret i8 %t3
}
define i8 @bar2(ptr nocapture inreg %p, i32 inreg %x) nounwind readonly {
; CHECK-LABEL: bar2:
; CHECK: # %bb.0:
; CHECK-NEXT: movzbl %dh, %ecx
; CHECK-NEXT: movzbl (%eax,%ecx,2), %eax
; CHECK-NEXT: retl
%t0 = lshr i32 %x, 7
%t1 = and i32 %t0, 510
%t2 = getelementptr i8, ptr %p, i32 %t1
%t3 = load i8, ptr %t2, align 8
ret i8 %t3
}
|