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Diffstat (limited to 'test/CodeGen/PowerPC/vec_extload.ll')
| -rw-r--r-- | test/CodeGen/PowerPC/vec_extload.ll | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/test/CodeGen/PowerPC/vec_extload.ll b/test/CodeGen/PowerPC/vec_extload.ll deleted file mode 100644 index 0968160e4f98..000000000000 --- a/test/CodeGen/PowerPC/vec_extload.ll +++ /dev/null @@ -1,77 +0,0 @@ -; RUN: llc -verify-machineinstrs -mcpu=pwr6 -mattr=+altivec -code-model=small < %s | FileCheck %s - -; Check vector extend load expansion with altivec enabled. - -target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v128:128:128-n32:64" -target triple = "powerpc64-unknown-linux-gnu" - -; Altivec does not provides an sext instruction, so it expands -; a set of vector stores (stvx), bytes load/sign expand/store -; (lbz/stb), and a final vector load (lvx) to load the result -; extended vector. -define <16 x i8> @v16si8_sext_in_reg(<16 x i8> %a) { - %b = trunc <16 x i8> %a to <16 x i4> - %c = sext <16 x i4> %b to <16 x i8> - ret <16 x i8> %c -} -; CHECK-LABEL: v16si8_sext_in_reg: -; CHECK: vslb -; CHECK: vsrab -; CHECK: blr - -; The zero extend uses a more clever logic: a vector splat -; and a logic and to set higher bits to 0. -define <16 x i8> @v16si8_zext_in_reg(<16 x i8> %a) { - %b = trunc <16 x i8> %a to <16 x i4> - %c = zext <16 x i4> %b to <16 x i8> - ret <16 x i8> %c -} -; CHECK-LABEL: v16si8_zext_in_reg: -; CHECK: vspltisb [[VMASK:[0-9]+]], 15 -; CHECK-NEXT: vand 2, 2, [[VMASK]] - -; Same as v16si8_sext_in_reg, expands to load/store halfwords (lhz/sth). -define <8 x i16> @v8si16_sext_in_reg(<8 x i16> %a) { - %b = trunc <8 x i16> %a to <8 x i8> - %c = sext <8 x i8> %b to <8 x i16> - ret <8 x i16> %c -} -; CHECK-LABEL: v8si16_sext_in_reg: -; CHECK: vslh -; CHECK: vsrah -; CHECK: blr - -; Same as v8si16_sext_in_reg, but instead of creating the mask -; with a splat, loads it from memory. -define <8 x i16> @v8si16_zext_in_reg(<8 x i16> %a) { - %b = trunc <8 x i16> %a to <8 x i8> - %c = zext <8 x i8> %b to <8 x i16> - ret <8 x i16> %c -} -; CHECK-LABEL: v8si16_zext_in_reg: -; CHECK: ld [[RMASKTOC:[0-9]+]], .LC{{[0-9]+}}@toc(2) -; CHECK-NEXT: lvx [[VMASK:[0-9]+]], {{[0-9]+}}, [[RMASKTOC]] -; CHECK-NEXT: vand 2, 2, [[VMASK]] - -; Same as v16si8_sext_in_reg, expands to load halfword (lha) and -; store words (stw). -define <4 x i32> @v4si32_sext_in_reg(<4 x i32> %a) { - %b = trunc <4 x i32> %a to <4 x i16> - %c = sext <4 x i16> %b to <4 x i32> - ret <4 x i32> %c -} -; CHECK-LABEL: v4si32_sext_in_reg: -; CHECK: vslw -; CHECK: vsraw -; CHECK: blr - -; Same as v8si16_sext_in_reg. -define <4 x i32> @v4si32_zext_in_reg(<4 x i32> %a) { - %b = trunc <4 x i32> %a to <4 x i16> - %c = zext <4 x i16> %b to <4 x i32> - ret <4 x i32> %c -} -; CHECK-LABEL: v4si32_zext_in_reg: -; CHECK: vspltisw [[VMASK:[0-9]+]], -16 -; CHECK-NEXT: vsrw [[VMASK]], [[VMASK]], [[VMASK]] -; CHECK-NEXT: vand 2, 2, [[VMASK]] |
