Fix a really nasty SROA bug with how we handled out-of-bounds memcpy

[oota-llvm.git] / test / CodeGen / SystemZ / atomicrmw-minmax-03.ll

diff --git a/test/CodeGen/SystemZ/atomicrmw-minmax-03.ll b/test/CodeGen/SystemZ/atomicrmw-minmax-03.ll
index 9dca13d15bb529db67a04448ca27076aeeb458b9..f2152c6f28bc9ef542b027d27a2189f4ee4a2343 100644 (file)
--- a/test/CodeGen/SystemZ/atomicrmw-minmax-03.ll
+++ b/test/CodeGen/SystemZ/atomicrmw-minmax-03.ll
@@ -1,17 +1,18 @@
-; Test 32-bit atomic minimum and maximum.
+; Test 32-bit atomic minimum and maximum.  Here we match the z10 versions,
+; which can't use LOCR.
 ;
-; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
+; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 | FileCheck %s
 
 ; Check signed minium.
 define i32 @f1(i32 %dummy, i32 *%src, i32 %b) {
-; CHECK: f1:
+; CHECK-LABEL: f1:
 ; CHECK: l %r2, 0(%r3)
 ; CHECK: [[LOOP:\.[^:]*]]:
 ; CHECK: lr [[NEW:%r[0-9]+]], %r2
 ; CHECK: crjle %r2, %r4, [[KEEP:\..*]]
 ; CHECK: lr [[NEW]], %r4
 ; CHECK: cs %r2, [[NEW]], 0(%r3)
-; CHECK: jlh [[LOOP]]
+; CHECK: jl [[LOOP]]
 ; CHECK: br %r14
   %res = atomicrmw min i32 *%src, i32 %b seq_cst
   ret i32 %res
@@ -19,14 +20,14 @@ define i32 @f1(i32 %dummy, i32 *%src, i32 %b) {
 
 ; Check signed maximum.
 define i32 @f2(i32 %dummy, i32 *%src, i32 %b) {
-; CHECK: f2:
+; CHECK-LABEL: f2:
 ; CHECK: l %r2, 0(%r3)
 ; CHECK: [[LOOP:\.[^:]*]]:
 ; CHECK: lr [[NEW:%r[0-9]+]], %r2
 ; CHECK: crjhe %r2, %r4, [[KEEP:\..*]]
 ; CHECK: lr [[NEW]], %r4
 ; CHECK: cs %r2, [[NEW]], 0(%r3)
-; CHECK: jlh [[LOOP]]
+; CHECK: jl [[LOOP]]
 ; CHECK: br %r14
   %res = atomicrmw max i32 *%src, i32 %b seq_cst
   ret i32 %res
@@ -34,15 +35,14 @@ define i32 @f2(i32 %dummy, i32 *%src, i32 %b) {
 
 ; Check unsigned minimum.
 define i32 @f3(i32 %dummy, i32 *%src, i32 %b) {
-; CHECK: f3:
+; CHECK-LABEL: f3:
 ; CHECK: l %r2, 0(%r3)
 ; CHECK: [[LOOP:\.[^:]*]]:
-; CHECK: clr %r2, %r4
 ; CHECK: lr [[NEW:%r[0-9]+]], %r2
-; CHECK: jle [[KEEP:\..*]]
+; CHECK: clrjle %r2, %r4, [[KEEP:\..*]]
 ; CHECK: lr [[NEW]], %r4
 ; CHECK: cs %r2, [[NEW]], 0(%r3)
-; CHECK: jlh [[LOOP]]
+; CHECK: jl [[LOOP]]
 ; CHECK: br %r14
   %res = atomicrmw umin i32 *%src, i32 %b seq_cst
   ret i32 %res
@@ -50,15 +50,14 @@ define i32 @f3(i32 %dummy, i32 *%src, i32 %b) {
 
 ; Check unsigned maximum.
 define i32 @f4(i32 %dummy, i32 *%src, i32 %b) {
-; CHECK: f4:
+; CHECK-LABEL: f4:
 ; CHECK: l %r2, 0(%r3)
 ; CHECK: [[LOOP:\.[^:]*]]:
-; CHECK: clr %r2, %r4
 ; CHECK: lr [[NEW:%r[0-9]+]], %r2
-; CHECK: jhe [[KEEP:\..*]]
+; CHECK: clrjhe %r2, %r4, [[KEEP:\..*]]
 ; CHECK: lr [[NEW]], %r4
 ; CHECK: cs %r2, [[NEW]], 0(%r3)
-; CHECK: jlh [[LOOP]]
+; CHECK: jl [[LOOP]]
 ; CHECK: br %r14
   %res = atomicrmw umax i32 *%src, i32 %b seq_cst
   ret i32 %res
@@ -66,7 +65,7 @@ define i32 @f4(i32 %dummy, i32 *%src, i32 %b) {
 
 ; Check the high end of the aligned CS range.
 define i32 @f5(i32 %dummy, i32 *%src, i32 %b) {
-; CHECK: f5:
+; CHECK-LABEL: f5:
 ; CHECK: l %r2, 4092(%r3)
 ; CHECK: cs %r2, {{%r[0-9]+}}, 4092(%r3)
 ; CHECK: br %r14
@@ -77,7 +76,7 @@ define i32 @f5(i32 %dummy, i32 *%src, i32 %b) {
 
 ; Check the next word up, which requires CSY.
 define i32 @f6(i32 %dummy, i32 *%src, i32 %b) {
-; CHECK: f6:
+; CHECK-LABEL: f6:
 ; CHECK: ly %r2, 4096(%r3)
 ; CHECK: csy %r2, {{%r[0-9]+}}, 4096(%r3)
 ; CHECK: br %r14
@@ -88,7 +87,7 @@ define i32 @f6(i32 %dummy, i32 *%src, i32 %b) {
 
 ; Check the high end of the aligned CSY range.
 define i32 @f7(i32 %dummy, i32 *%src, i32 %b) {
-; CHECK: f7:
+; CHECK-LABEL: f7:
 ; CHECK: ly %r2, 524284(%r3)
 ; CHECK: csy %r2, {{%r[0-9]+}}, 524284(%r3)
 ; CHECK: br %r14
@@ -99,7 +98,7 @@ define i32 @f7(i32 %dummy, i32 *%src, i32 %b) {
 
 ; Check the next word up, which needs separate address logic.
 define i32 @f8(i32 %dummy, i32 *%src, i32 %b) {
-; CHECK: f8:
+; CHECK-LABEL: f8:
 ; CHECK: agfi %r3, 524288
 ; CHECK: l %r2, 0(%r3)
 ; CHECK: cs %r2, {{%r[0-9]+}}, 0(%r3)
@@ -111,7 +110,7 @@ define i32 @f8(i32 %dummy, i32 *%src, i32 %b) {
 
 ; Check the high end of the negative aligned CSY range.
 define i32 @f9(i32 %dummy, i32 *%src, i32 %b) {
-; CHECK: f9:
+; CHECK-LABEL: f9:
 ; CHECK: ly %r2, -4(%r3)
 ; CHECK: csy %r2, {{%r[0-9]+}}, -4(%r3)
 ; CHECK: br %r14
@@ -122,7 +121,7 @@ define i32 @f9(i32 %dummy, i32 *%src, i32 %b) {
 
 ; Check the low end of the CSY range.
 define i32 @f10(i32 %dummy, i32 *%src, i32 %b) {
-; CHECK: f10:
+; CHECK-LABEL: f10:
 ; CHECK: ly %r2, -524288(%r3)
 ; CHECK: csy %r2, {{%r[0-9]+}}, -524288(%r3)
 ; CHECK: br %r14
@@ -133,7 +132,7 @@ define i32 @f10(i32 %dummy, i32 *%src, i32 %b) {
 
 ; Check the next word down, which needs separate address logic.
 define i32 @f11(i32 %dummy, i32 *%src, i32 %b) {
-; CHECK: f11:
+; CHECK-LABEL: f11:
 ; CHECK: agfi %r3, -524292
 ; CHECK: l %r2, 0(%r3)
 ; CHECK: cs %r2, {{%r[0-9]+}}, 0(%r3)
@@ -145,7 +144,7 @@ define i32 @f11(i32 %dummy, i32 *%src, i32 %b) {
 
 ; Check that indexed addresses are not allowed.
 define i32 @f12(i32 %dummy, i64 %base, i64 %index, i32 %b) {
-; CHECK: f12:
+; CHECK-LABEL: f12:
 ; CHECK: agr %r3, %r4
 ; CHECK: l %r2, 0(%r3)
 ; CHECK: cs %r2, {{%r[0-9]+}}, 0(%r3)
@@ -158,7 +157,7 @@ define i32 @f12(i32 %dummy, i64 %base, i64 %index, i32 %b) {
 
 ; Check that constants are handled.
 define i32 @f13(i32 %dummy, i32 *%ptr) {
-; CHECK: f13:
+; CHECK-LABEL: f13:
 ; CHECK: lhi [[LIMIT:%r[0-9]+]], 42
 ; CHECK: l %r2, 0(%r3)
 ; CHECK: [[LOOP:\.[^:]*]]:
@@ -166,7 +165,7 @@ define i32 @f13(i32 %dummy, i32 *%ptr) {
 ; CHECK: crjle %r2, [[LIMIT]], [[KEEP:\..*]]
 ; CHECK: lhi [[NEW]], 42
 ; CHECK: cs %r2, [[NEW]], 0(%r3)
-; CHECK: jlh [[LOOP]]
+; CHECK: jl [[LOOP]]
 ; CHECK: br %r14
   %res = atomicrmw min i32 *%ptr, i32 42 seq_cst
   ret i32 %res