| ; 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(double* 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, double* %p, i32 %t1 |
| %t3 = load double, double* %t2, align 8 |
| ret double %t3 |
| } |
| |
| define float @foo4(float* 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, float* %p, i32 %t1 |
| %t3 = load float, float* %t2, align 8 |
| ret float %t3 |
| } |
| |
| define i16 @foo2(i16* 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, i16* %p, i32 %t1 |
| %t3 = load i16, i16* %t2, align 8 |
| ret i16 %t3 |
| } |
| |
| define i8 @foo1(i8* nocapture inreg %p, i32 inreg %x) nounwind readonly { |
| ; CHECK-LABEL: foo1: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: movzbl %dh, %ecx |
| ; CHECK-NEXT: movb (%eax,%ecx), %al |
| ; CHECK-NEXT: retl |
| %t0 = lshr i32 %x, 8 |
| %t1 = and i32 %t0, 255 |
| %t2 = getelementptr i8, i8* %p, i32 %t1 |
| %t3 = load i8, i8* %t2, align 8 |
| ret i8 %t3 |
| } |
| |
| define i8 @bar8(i8* nocapture inreg %p, i32 inreg %x) nounwind readonly { |
| ; CHECK-LABEL: bar8: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: movzbl %dh, %ecx |
| ; CHECK-NEXT: movb (%eax,%ecx,8), %al |
| ; CHECK-NEXT: retl |
| %t0 = lshr i32 %x, 5 |
| %t1 = and i32 %t0, 2040 |
| %t2 = getelementptr i8, i8* %p, i32 %t1 |
| %t3 = load i8, i8* %t2, align 8 |
| ret i8 %t3 |
| } |
| |
| define i8 @bar4(i8* nocapture inreg %p, i32 inreg %x) nounwind readonly { |
| ; CHECK-LABEL: bar4: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: movzbl %dh, %ecx |
| ; CHECK-NEXT: movb (%eax,%ecx,4), %al |
| ; CHECK-NEXT: retl |
| %t0 = lshr i32 %x, 6 |
| %t1 = and i32 %t0, 1020 |
| %t2 = getelementptr i8, i8* %p, i32 %t1 |
| %t3 = load i8, i8* %t2, align 8 |
| ret i8 %t3 |
| } |
| |
| define i8 @bar2(i8* nocapture inreg %p, i32 inreg %x) nounwind readonly { |
| ; CHECK-LABEL: bar2: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: movzbl %dh, %ecx |
| ; CHECK-NEXT: movb (%eax,%ecx,2), %al |
| ; CHECK-NEXT: retl |
| %t0 = lshr i32 %x, 7 |
| %t1 = and i32 %t0, 510 |
| %t2 = getelementptr i8, i8* %p, i32 %t1 |
| %t3 = load i8, i8* %t2, align 8 |
| ret i8 %t3 |
| } |