Taints the non-acquire RMW's store address with the load part

[oota-llvm.git] / test / CodeGen / SystemZ / int-cmp-05.ll

diff --git a/test/CodeGen/SystemZ/int-cmp-05.ll b/test/CodeGen/SystemZ/int-cmp-05.ll
index d953ebfc679cd08da340b1ba23465ba4fd099263..70640b607bcd76c515e2a3ace84e2b6760ee121d 100644 (file)
--- a/test/CodeGen/SystemZ/int-cmp-05.ll
+++ b/test/CodeGen/SystemZ/int-cmp-05.ll
@@ -6,7 +6,7 @@ declare i64 @foo()
 
 ; Check signed register comparison.
 define double @f1(double %a, double %b, i64 %i1, i32 %unext) {
-; CHECK: f1:
+; CHECK-LABEL: f1:
 ; CHECK: cgfr %r2, %r3
 ; CHECK-NEXT: jl
 ; CHECK: ldr %f0, %f2
@@ -19,7 +19,7 @@ define double @f1(double %a, double %b, i64 %i1, i32 %unext) {
 
 ; Check unsigned register comparison, which can't use CGFR.
 define double @f2(double %a, double %b, i64 %i1, i32 %unext) {
-; CHECK: f2:
+; CHECK-LABEL: f2:
 ; CHECK-NOT: cgfr
 ; CHECK: br %r14
   %i2 = sext i32 %unext to i64
@@ -30,7 +30,7 @@ define double @f2(double %a, double %b, i64 %i1, i32 %unext) {
 
 ; Check register equality.
 define double @f3(double %a, double %b, i64 %i1, i32 %unext) {
-; CHECK: f3:
+; CHECK-LABEL: f3:
 ; CHECK: cgfr %r2, %r3
 ; CHECK-NEXT: je
 ; CHECK: ldr %f0, %f2
@@ -43,7 +43,7 @@ define double @f3(double %a, double %b, i64 %i1, i32 %unext) {
 
 ; Check register inequality.
 define double @f4(double %a, double %b, i64 %i1, i32 %unext) {
-; CHECK: f4:
+; CHECK-LABEL: f4:
 ; CHECK: cgfr %r2, %r3
 ; CHECK-NEXT: jlh
 ; CHECK: ldr %f0, %f2
@@ -54,14 +54,14 @@ define double @f4(double %a, double %b, i64 %i1, i32 %unext) {
   ret double %res
 }
 
-; Check signed comparisonn with memory.
+; Check signed comparison with memory.
 define double @f5(double %a, double %b, i64 %i1, i32 *%ptr) {
-; CHECK: f5:
+; CHECK-LABEL: f5:
 ; CHECK: cgf %r2, 0(%r3)
 ; CHECK-NEXT: jl
 ; CHECK: ldr %f0, %f2
 ; CHECK: br %r14
-  %unext = load i32 *%ptr
+  %unext = load i32 , i32 *%ptr
   %i2 = sext i32 %unext to i64
   %cond = icmp slt i64 %i1, %i2
   %res = select i1 %cond, double %a, double %b
@@ -70,10 +70,10 @@ define double @f5(double %a, double %b, i64 %i1, i32 *%ptr) {
 
 ; Check unsigned comparison with memory.
 define double @f6(double %a, double %b, i64 %i1, i32 *%ptr) {
-; CHECK: f6:
+; CHECK-LABEL: f6:
 ; CHECK-NOT: cgf
 ; CHECK: br %r14
-  %unext = load i32 *%ptr
+  %unext = load i32 , i32 *%ptr
   %i2 = sext i32 %unext to i64
   %cond = icmp ult i64 %i1, %i2
   %res = select i1 %cond, double %a, double %b
@@ -82,12 +82,12 @@ define double @f6(double %a, double %b, i64 %i1, i32 *%ptr) {
 
 ; Check memory equality.
 define double @f7(double %a, double %b, i64 %i1, i32 *%ptr) {
-; CHECK: f7:
+; CHECK-LABEL: f7:
 ; CHECK: cgf %r2, 0(%r3)
 ; CHECK-NEXT: je
 ; CHECK: ldr %f0, %f2
 ; CHECK: br %r14
-  %unext = load i32 *%ptr
+  %unext = load i32 , i32 *%ptr
   %i2 = sext i32 %unext to i64
   %cond = icmp eq i64 %i1, %i2
   %res = select i1 %cond, double %a, double %b
@@ -96,12 +96,12 @@ define double @f7(double %a, double %b, i64 %i1, i32 *%ptr) {
 
 ; Check memory inequality.
 define double @f8(double %a, double %b, i64 %i1, i32 *%ptr) {
-; CHECK: f8:
+; CHECK-LABEL: f8:
 ; CHECK: cgf %r2, 0(%r3)
 ; CHECK-NEXT: jlh
 ; CHECK: ldr %f0, %f2
 ; CHECK: br %r14
-  %unext = load i32 *%ptr
+  %unext = load i32 , i32 *%ptr
   %i2 = sext i32 %unext to i64
   %cond = icmp ne i64 %i1, %i2
   %res = select i1 %cond, double %a, double %b
@@ -110,13 +110,13 @@ define double @f8(double %a, double %b, i64 %i1, i32 *%ptr) {
 
 ; Check the high end of the aligned CGF range.
 define double @f9(double %a, double %b, i64 %i1, i32 *%base) {
-; CHECK: f9:
+; CHECK-LABEL: f9:
 ; CHECK: cgf %r2, 524284(%r3)
 ; CHECK-NEXT: jl
 ; CHECK: ldr %f0, %f2
 ; CHECK: br %r14
-  %ptr = getelementptr i32 *%base, i64 131071
-  %unext = load i32 *%ptr
+  %ptr = getelementptr i32, i32 *%base, i64 131071
+  %unext = load i32 , i32 *%ptr
   %i2 = sext i32 %unext to i64
   %cond = icmp slt i64 %i1, %i2
   %res = select i1 %cond, double %a, double %b
@@ -126,14 +126,14 @@ define double @f9(double %a, double %b, i64 %i1, i32 *%base) {
 ; Check the next word up, which needs separate address logic.
 ; Other sequences besides this one would be OK.
 define double @f10(double %a, double %b, i64 %i1, i32 *%base) {
-; CHECK: f10:
+; CHECK-LABEL: f10:
 ; CHECK: agfi %r3, 524288
 ; CHECK: cgf %r2, 0(%r3)
 ; CHECK-NEXT: jl
 ; CHECK: ldr %f0, %f2
 ; CHECK: br %r14
-  %ptr = getelementptr i32 *%base, i64 131072
-  %unext = load i32 *%ptr
+  %ptr = getelementptr i32, i32 *%base, i64 131072
+  %unext = load i32 , i32 *%ptr
   %i2 = sext i32 %unext to i64
   %cond = icmp slt i64 %i1, %i2
   %res = select i1 %cond, double %a, double %b
@@ -142,13 +142,13 @@ define double @f10(double %a, double %b, i64 %i1, i32 *%base) {
 
 ; Check the high end of the negative aligned CGF range.
 define double @f11(double %a, double %b, i64 %i1, i32 *%base) {
-; CHECK: f11:
+; CHECK-LABEL: f11:
 ; CHECK: cgf %r2, -4(%r3)
 ; CHECK-NEXT: jl
 ; CHECK: ldr %f0, %f2
 ; CHECK: br %r14
-  %ptr = getelementptr i32 *%base, i64 -1
-  %unext = load i32 *%ptr
+  %ptr = getelementptr i32, i32 *%base, i64 -1
+  %unext = load i32 , i32 *%ptr
   %i2 = sext i32 %unext to i64
   %cond = icmp slt i64 %i1, %i2
   %res = select i1 %cond, double %a, double %b
@@ -157,13 +157,13 @@ define double @f11(double %a, double %b, i64 %i1, i32 *%base) {
 
 ; Check the low end of the CGF range.
 define double @f12(double %a, double %b, i64 %i1, i32 *%base) {
-; CHECK: f12:
+; CHECK-LABEL: f12:
 ; CHECK: cgf %r2, -524288(%r3)
 ; CHECK-NEXT: jl
 ; CHECK: ldr %f0, %f2
 ; CHECK: br %r14
-  %ptr = getelementptr i32 *%base, i64 -131072
-  %unext = load i32 *%ptr
+  %ptr = getelementptr i32, i32 *%base, i64 -131072
+  %unext = load i32 , i32 *%ptr
   %i2 = sext i32 %unext to i64
   %cond = icmp slt i64 %i1, %i2
   %res = select i1 %cond, double %a, double %b
@@ -173,14 +173,14 @@ define double @f12(double %a, double %b, i64 %i1, i32 *%base) {
 ; Check the next word down, which needs separate address logic.
 ; Other sequences besides this one would be OK.
 define double @f13(double %a, double %b, i64 %i1, i32 *%base) {
-; CHECK: f13:
+; CHECK-LABEL: f13:
 ; CHECK: agfi %r3, -524292
 ; CHECK: cgf %r2, 0(%r3)
 ; CHECK-NEXT: jl
 ; CHECK: ldr %f0, %f2
 ; CHECK: br %r14
-  %ptr = getelementptr i32 *%base, i64 -131073
-  %unext = load i32 *%ptr
+  %ptr = getelementptr i32, i32 *%base, i64 -131073
+  %unext = load i32 , i32 *%ptr
   %i2 = sext i32 %unext to i64
   %cond = icmp slt i64 %i1, %i2
   %res = select i1 %cond, double %a, double %b
@@ -189,7 +189,7 @@ define double @f13(double %a, double %b, i64 %i1, i32 *%base) {
 
 ; Check that CGF allows an index.
 define double @f14(double %a, double %b, i64 %i1, i64 %base, i64 %index) {
-; CHECK: f14:
+; CHECK-LABEL: f14:
 ; CHECK: cgf %r2, 524284({{%r4,%r3|%r3,%r4}})
 ; CHECK-NEXT: jl
 ; CHECK: ldr %f0, %f2
@@ -197,7 +197,7 @@ define double @f14(double %a, double %b, i64 %i1, i64 %base, i64 %index) {
   %add1 = add i64 %base, %index
   %add2 = add i64 %add1, 524284
   %ptr = inttoptr i64 %add2 to i32 *
-  %unext = load i32 *%ptr
+  %unext = load i32 , i32 *%ptr
   %i2 = sext i32 %unext to i64
   %cond = icmp slt i64 %i1, %i2
   %res = select i1 %cond, double %a, double %b
@@ -206,30 +206,30 @@ define double @f14(double %a, double %b, i64 %i1, i64 %base, i64 %index) {
 
 ; Check that comparisons of spilled values can use CGF rather than CGFR.
 define i64 @f15(i32 *%ptr0) {
-; CHECK: f15:
+; CHECK-LABEL: f15:
 ; CHECK: brasl %r14, foo@PLT
 ; CHECK: cgf {{%r[0-9]+}}, 16{{[04]}}(%r15)
 ; CHECK: br %r14
-  %ptr1 = getelementptr i32 *%ptr0, i64 2
-  %ptr2 = getelementptr i32 *%ptr0, i64 4
-  %ptr3 = getelementptr i32 *%ptr0, i64 6
-  %ptr4 = getelementptr i32 *%ptr0, i64 8
-  %ptr5 = getelementptr i32 *%ptr0, i64 10
-  %ptr6 = getelementptr i32 *%ptr0, i64 12
-  %ptr7 = getelementptr i32 *%ptr0, i64 14
-  %ptr8 = getelementptr i32 *%ptr0, i64 16
-  %ptr9 = getelementptr i32 *%ptr0, i64 18
+  %ptr1 = getelementptr i32, i32 *%ptr0, i64 2
+  %ptr2 = getelementptr i32, i32 *%ptr0, i64 4
+  %ptr3 = getelementptr i32, i32 *%ptr0, i64 6
+  %ptr4 = getelementptr i32, i32 *%ptr0, i64 8
+  %ptr5 = getelementptr i32, i32 *%ptr0, i64 10
+  %ptr6 = getelementptr i32, i32 *%ptr0, i64 12
+  %ptr7 = getelementptr i32, i32 *%ptr0, i64 14
+  %ptr8 = getelementptr i32, i32 *%ptr0, i64 16
+  %ptr9 = getelementptr i32, i32 *%ptr0, i64 18
 
-  %val0 = load i32 *%ptr0
-  %val1 = load i32 *%ptr1
-  %val2 = load i32 *%ptr2
-  %val3 = load i32 *%ptr3
-  %val4 = load i32 *%ptr4
-  %val5 = load i32 *%ptr5
-  %val6 = load i32 *%ptr6
-  %val7 = load i32 *%ptr7
-  %val8 = load i32 *%ptr8
-  %val9 = load i32 *%ptr9
+  %val0 = load i32 , i32 *%ptr0
+  %val1 = load i32 , i32 *%ptr1
+  %val2 = load i32 , i32 *%ptr2
+  %val3 = load i32 , i32 *%ptr3
+  %val4 = load i32 , i32 *%ptr4
+  %val5 = load i32 , i32 *%ptr5
+  %val6 = load i32 , i32 *%ptr6
+  %val7 = load i32 , i32 *%ptr7
+  %val8 = load i32 , i32 *%ptr8
+  %val9 = load i32 , i32 *%ptr9
 
   %frob0 = add i32 %val0, 100
   %frob1 = add i32 %val1, 100
@@ -290,3 +290,30 @@ define i64 @f15(i32 *%ptr0) {
 
   ret i64 %sel9
 }
+
+; Check the comparison can be reversed if that allows CGFR to be used.
+define double @f16(double %a, double %b, i64 %i1, i32 %unext) {
+; CHECK-LABEL: f16:
+; CHECK: cgfr %r2, %r3
+; CHECK-NEXT: jh
+; CHECK: ldr %f0, %f2
+; CHECK: br %r14
+  %i2 = sext i32 %unext to i64
+  %cond = icmp slt i64 %i2, %i1
+  %res = select i1 %cond, double %a, double %b
+  ret double %res
+}
+
+; Likewise CGF.
+define double @f17(double %a, double %b, i64 %i2, i32 *%ptr) {
+; CHECK-LABEL: f17:
+; CHECK: cgf %r2, 0(%r3)
+; CHECK-NEXT: jh {{\.L.*}}
+; CHECK: ldr %f0, %f2
+; CHECK: br %r14
+  %unext = load i32 , i32 *%ptr
+  %i1 = sext i32 %unext to i64
+  %cond = icmp slt i64 %i1, %i2
+  %res = select i1 %cond, double %a, double %b
+  ret double %res
+}