diff options
Diffstat (limited to 'test/CodeGen/SystemZ/atomicrmw-and-02.ll')
| -rw-r--r-- | test/CodeGen/SystemZ/atomicrmw-and-02.ll | 133 |
1 files changed, 0 insertions, 133 deletions
diff --git a/test/CodeGen/SystemZ/atomicrmw-and-02.ll b/test/CodeGen/SystemZ/atomicrmw-and-02.ll deleted file mode 100644 index f827c4409fe5..000000000000 --- a/test/CodeGen/SystemZ/atomicrmw-and-02.ll +++ /dev/null @@ -1,133 +0,0 @@ -; Test 16-bit atomic ANDs. -; -; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s -; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s -check-prefix=CHECK-SHIFT1 -; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s -check-prefix=CHECK-SHIFT2 - -; Check AND of a variable. -; - CHECK is for the main loop. -; - CHECK-SHIFT1 makes sure that the negated shift count used by the second -; RLL is set up correctly. The negation is independent of the NILL and L -; tested in CHECK. -; - CHECK-SHIFT2 makes sure that %b is shifted into the high part of the word -; before being used, and that the low bits are set to 1. This sequence is -; independent of the other loop prologue instructions. -define i16 @f1(i16 *%src, i16 %b) { -; CHECK-LABEL: f1: -; CHECK: risbg [[RISBG:%r[1-9]+]], %r2, 0, 189, 0{{$}} -; CHECK: sll %r2, 3 -; CHECK: l [[OLD:%r[0-9]+]], 0([[RISBG]]) -; CHECK: [[LABEL:\.[^:]*]]: -; CHECK: rll [[ROT:%r[0-9]+]], [[OLD]], 0(%r2) -; CHECK: nr [[ROT]], %r3 -; CHECK: rll [[NEW:%r[0-9]+]], [[ROT]], 0({{%r[1-9]+}}) -; CHECK: cs [[OLD]], [[NEW]], 0([[RISBG]]) -; CHECK: jl [[LABEL]] -; CHECK: rll %r2, [[OLD]], 16(%r2) -; CHECK: br %r14 -; -; CHECK-SHIFT1-LABEL: f1: -; CHECK-SHIFT1: sll %r2, 3 -; CHECK-SHIFT1: lcr [[NEGSHIFT:%r[1-9]+]], %r2 -; CHECK-SHIFT1: rll -; CHECK-SHIFT1: rll {{%r[0-9]+}}, {{%r[0-9]+}}, 0([[NEGSHIFT]]) -; CHECK-SHIFT1: rll -; CHECK-SHIFT1: br %r14 -; -; CHECK-SHIFT2-LABEL: f1: -; CHECK-SHIFT2: sll %r3, 16 -; CHECK-SHIFT2: oill %r3, 65535 -; CHECK-SHIFT2: rll -; CHECK-SHIFT2: nr {{%r[0-9]+}}, %r3 -; CHECK-SHIFT2: rll -; CHECK-SHIFT2: rll -; CHECK-SHIFT2: br %r14 - %res = atomicrmw and i16 *%src, i16 %b seq_cst - ret i16 %res -} - -; Check the minimum signed value. We AND the rotated word with 0x8000ffff. -define i16 @f2(i16 *%src) { -; CHECK-LABEL: f2: -; CHECK: risbg [[RISBG:%r[1-9]+]], %r2, 0, 189, 0{{$}} -; CHECK: sll %r2, 3 -; CHECK: l [[OLD:%r[0-9]+]], 0([[RISBG]]) -; CHECK: [[LABEL:\.[^:]*]]: -; CHECK: rll [[ROT:%r[0-9]+]], [[OLD]], 0(%r2) -; CHECK: nilh [[ROT]], 32768 -; CHECK: rll [[NEW:%r[0-9]+]], [[ROT]], 0([[NEGSHIFT:%r[1-9]+]]) -; CHECK: cs [[OLD]], [[NEW]], 0([[RISBG]]) -; CHECK: jl [[LABEL]] -; CHECK: rll %r2, [[OLD]], 16(%r2) -; CHECK: br %r14 -; -; CHECK-SHIFT1-LABEL: f2: -; CHECK-SHIFT1: sll %r2, 3 -; CHECK-SHIFT1: lcr [[NEGSHIFT:%r[1-9]+]], %r2 -; CHECK-SHIFT1: rll -; CHECK-SHIFT1: rll {{%r[0-9]+}}, {{%r[0-9]+}}, 0([[NEGSHIFT]]) -; CHECK-SHIFT1: rll -; CHECK-SHIFT1: br %r14 -; -; CHECK-SHIFT2-LABEL: f2: -; CHECK-SHIFT2: br %r14 - %res = atomicrmw and i16 *%src, i16 -32768 seq_cst - ret i16 %res -} - -; Check ANDs of -2 (-1 isn't useful). We AND the rotated word with 0xfffeffff. -define i16 @f3(i16 *%src) { -; CHECK-LABEL: f3: -; CHECK: nilh [[ROT]], 65534 -; CHECK: br %r14 -; -; CHECK-SHIFT1-LABEL: f3: -; CHECK-SHIFT1: br %r14 -; CHECK-SHIFT2-LABEL: f3: -; CHECK-SHIFT2: br %r14 - %res = atomicrmw and i16 *%src, i16 -2 seq_cst - ret i16 %res -} - -; Check ANDs of 1. We AND the rotated word with 0x0001ffff. -define i16 @f4(i16 *%src) { -; CHECK-LABEL: f4: -; CHECK: nilh [[ROT]], 1 -; CHECK: br %r14 -; -; CHECK-SHIFT1-LABEL: f4: -; CHECK-SHIFT1: br %r14 -; CHECK-SHIFT2-LABEL: f4: -; CHECK-SHIFT2: br %r14 - %res = atomicrmw and i16 *%src, i16 1 seq_cst - ret i16 %res -} - -; Check the maximum signed value. We AND the rotated word with 0x7fffffff. -define i16 @f5(i16 *%src) { -; CHECK-LABEL: f5: -; CHECK: nilh [[ROT]], 32767 -; CHECK: br %r14 -; -; CHECK-SHIFT1-LABEL: f5: -; CHECK-SHIFT1: br %r14 -; CHECK-SHIFT2-LABEL: f5: -; CHECK-SHIFT2: br %r14 - %res = atomicrmw and i16 *%src, i16 32767 seq_cst - ret i16 %res -} - -; Check ANDs of a large unsigned value. We AND the rotated word with -; 0xfffdffff. -define i16 @f6(i16 *%src) { -; CHECK-LABEL: f6: -; CHECK: nilh [[ROT]], 65533 -; CHECK: br %r14 -; -; CHECK-SHIFT1-LABEL: f6: -; CHECK-SHIFT1: br %r14 -; CHECK-SHIFT2-LABEL: f6: -; CHECK-SHIFT2: br %r14 - %res = atomicrmw and i16 *%src, i16 65533 seq_cst - ret i16 %res -} |
