| ; RUN: llc < %s -march=x86 | grep {movzbl %\[abcd\]h,} | count 7 |
| |
| ; Use h-register extract and zero-extend. |
| |
| define double @foo8(double* nocapture inreg %p, i32 inreg %x) nounwind readonly { |
| %t0 = lshr i32 %x, 8 |
| %t1 = and i32 %t0, 255 |
| %t2 = getelementptr double* %p, i32 %t1 |
| %t3 = load double* %t2, align 8 |
| ret double %t3 |
| } |
| define float @foo4(float* nocapture inreg %p, i32 inreg %x) nounwind readonly { |
| %t0 = lshr i32 %x, 8 |
| %t1 = and i32 %t0, 255 |
| %t2 = getelementptr float* %p, i32 %t1 |
| %t3 = load float* %t2, align 8 |
| ret float %t3 |
| } |
| define i16 @foo2(i16* nocapture inreg %p, i32 inreg %x) nounwind readonly { |
| %t0 = lshr i32 %x, 8 |
| %t1 = and i32 %t0, 255 |
| %t2 = getelementptr i16* %p, i32 %t1 |
| %t3 = load i16* %t2, align 8 |
| ret i16 %t3 |
| } |
| define i8 @foo1(i8* nocapture inreg %p, i32 inreg %x) nounwind readonly { |
| %t0 = lshr i32 %x, 8 |
| %t1 = and i32 %t0, 255 |
| %t2 = getelementptr i8* %p, i32 %t1 |
| %t3 = load i8* %t2, align 8 |
| ret i8 %t3 |
| } |
| define i8 @bar8(i8* nocapture inreg %p, i32 inreg %x) nounwind readonly { |
| %t0 = lshr i32 %x, 5 |
| %t1 = and i32 %t0, 2040 |
| %t2 = getelementptr i8* %p, i32 %t1 |
| %t3 = load i8* %t2, align 8 |
| ret i8 %t3 |
| } |
| define i8 @bar4(i8* nocapture inreg %p, i32 inreg %x) nounwind readonly { |
| %t0 = lshr i32 %x, 6 |
| %t1 = and i32 %t0, 1020 |
| %t2 = getelementptr i8* %p, i32 %t1 |
| %t3 = load i8* %t2, align 8 |
| ret i8 %t3 |
| } |
| define i8 @bar2(i8* nocapture inreg %p, i32 inreg %x) nounwind readonly { |
| %t0 = lshr i32 %x, 7 |
| %t1 = and i32 %t0, 510 |
| %t2 = getelementptr i8* %p, i32 %t1 |
| %t3 = load i8* %t2, align 8 |
| ret i8 %t3 |
| } |